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Personal
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Name
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Ahmed Mohamed Refat EL-Nahas
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Marital
Status
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Married and have 3 children
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Date
of Birth
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1st December, 1969
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Office
Address
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Urology & Nephrology
Center, EL-Gomhoria Street, PO: 35516, Mansoura-Egypt.
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Home
Address
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10th EL-Badaly Street, Thanawia district,
35511
Mansoura, Egypt |
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Telephone
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Work: +20 (50) 2262222,
Home: +20 (50) 2216270, Mob.: 20 (12) 1136899
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| Qualifications & Positions
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- Graduated from Mansoura Faculty of Medicine with Excellent Degree
(Gold Medalist-First Degree Honor), November 1993
- Internship House Officer, Mansoura University Hospitals from 1/3/1994
to 28/2/1995.
- General practitioner in Talkha General Hospital, Talkha, from 1/3/1995
to 30/6/1995.
- Resident in Urology, Urology and Nephrology Center, Mansoura University
from 1/9/1996 to 24/11/2000.
- Master Degree in Urology, Mansoura Faculty of Medicine, Very good
Degree, May 2000.
- Assistant lecturer of Urology, Urology and Nephrology Center, Mansoura
University from 25/11/2000 to 27-2-2005.
- Lecturer of Urology, Urology and Nephrology Center, Mansoura University
since 27-2-2005.
Theses
- "Screening of prostatic carcinoma among urologic patients at
risk".
A thesis submitted for partial fulfillment of the master degree in Urology,
Urology department, Urology and Nephrology Center, Mansoura University,
Egypt.
- "Ureteropelvic junction obstruction: Evaluation of minimally
invasive management"
A thesis submitted for partial fulfillment of the Medical Degree in
Urology, Urology department, Urology and Nephrology Center, Mansoura
University, Egypt, 2004.
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| Speciality |
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- Endourology.
- Urologic laparoscopy.
- Extracorporeal Shockwave Lithotripsy.
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| Attended Courses: |
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- 4th Annual European course in Urology: September 11-15, 1999. Rome,
Italy.
- Endourology 2001 Ureterscopy and Percutaneous Endoscopy: March 9-10,
2001. San-Joun, Puerto Rico.
- Advanced course in laparoscopy: March 15, 2003. Madrid, Spain.
- Shockwave Lithotripsy Update: May 9, 2004. San Francisco, USA.
- Laparoscopic treatment of renal and adrenal surgery: May 10, 2004.
San Francisco, USA.
- Decision making in endourology: May 22, 2005 San Antonio, USA.
Memberships:
- Egyptian Medical Syndicate.
- Egyptian Urological Association.
- American Urologic Association.
- European Association of Urology (EAU).
- Egyptian Society of Laparoscopic Surgery (ESLS).
- Endourology Society.
Present Position:
Lecturer of urology, Urology and Nephrology Center, Mansoura University,
Egypt.
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| Attended Conferences: |
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- Annual Conference of the American Urologic Association.
- San Francisco, USA, May 8-13, 2004.
- San Antonio, USA, May 21-26, 2005.
- Orlando, Florida, USA, May 17-23, 2008.
- Congress of the European Association of Urology
- Madrid, Spain, March 12-15, 2003.
- Paris, France, April 5-8 2006.
- Berlin, Germany, March 21-24 2007.
- World Video Urology Conference, Singapore March 1-3 2007.
- World Congress of Endourology
- Amsterdam, Netherlands, August 23-26, 2005.
- Annual conference of the Egyptian Urologic Association since 1996
till 2008.
- Annual conference of the Pan African Urologic Surgical Association
(PAUSA).
- Cairo, Egypt, May 13-16, 2005.
- The Egyptian International Congress of Laparoscopic Surgery
- Cairo January 27-29, 2006, 3rd.
- Cairo January 17-19, 2007, 4th.
Visits:
- Department of urology, University hospital, Mannheim (Head: Peter
Alken, MD), Faculty of clinical medicine of the University of Heidelberg,
Mannheim, Germany. From April 8th to June 6th 2002, for training on
Flexible ureterorenography.
- Department of urology, University of California/ Irvine Medical Center
(Head: Ralph Clayman MD), from May 17th to 28th 2004.
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| Presentations: |
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International Conferences:
- "Safety and Efficacy of Supracostal Percutaneous Nephrolithotomy
in Pediatric Patients"
Poster presentation in the 103rd American Urologic Association Conference,
Orlando, Florida 2008.
- "A Prospective Multivariate Analysis of Factors Predicting Stone
Disintegration by Extracorporeal Shock Wave Lithotripsy: The Value of
High-Resolution Noncontrast Computed Tomography."
Poster presentations in the 22nd European Association of Urology Conference,
Berlin, Germany, 2007
- "Post-percutaneous nephrolithotomy extensive hemorrhage: A study
of risk factors."
Poster presentations in the 22nd European Association of Urology Conference,
Berlin, Germany, 2007
- "The combination of laparoscopy and nephroscopy for treatment
of stones in ectopic pelvic kidneys"
Video presentation in the 19th Video- Urology World Congress. Singapore,
2007
- "Predictors of clinical significance of residual fragments after
ESWL for renal stones"
Poster presentations in the 21st European Association of Urology Conference,
Paris, France, 2006.
- "Colonic perforation during percutaneous nephrolithotomy: Study
of risk factors"
Poster presentations in the 21st European Association of Urology Conference,
Paris, France, 2006.
- "Percutaneous treatment of large upper tract stones after urinary
diversion"
Poster presentations in the 21st European Association of Urology Conference,
Paris, France, 2006.
- " Temporary double J stenting: Analysis of factors responsible
for morbidity and patients' discomfort"
Poster presentation in the 23rd World Congress of Endourology, Amsterdam,
Netherlands, 2005.
- Prospective randomized comparison of ureteroscopic endopyelotomy
using Holmium: YAG Laser and Acucise endopyelotomy".
Poster presentation in the 100th American Urologic Association Conference,
San Antonio, USA, 2005.
- "Role of Multiphasic Helical CT in planning surgical treatment
of Ureteropelvic Junction Obstruction"
Poster presentation in the 18th European Association of Urology Conference,
Madrid, Spain 2003.
- "Retrograde Laser Endopyelotomy for Primary Pelviureteral Junction
Obstruction".
Video presentation in the 14th Video- Urology World Congress. Cairo,
Egypt, 2002.
Local and Regional Conferences:
- "The combination of laparoscopy and nephroscopy for treatment
of stones in ectopic pelvic kidneys"
Podium presentation in the 4rd Egyptian international congress of laparoscopic
surgery, Cairo, Egypt, January, 2007.
- "Prospective comparison of laparoscopic and Open Pyeloplasty:
A single center experience"
Podium presentation in the 3rd Egyptian international congress of laparoscopic
surgery, Cairo, Egypt, January 27-29, 2006.
- "A rational for prostate cancer screening in developing countries:
Comparison between screening and case finding"
Poster presentation in the Pan African Urologic Surgeon Association
Conference, Cairo, 2005.
- "Antegrade endopyelotomy: Prognostic factors affecting late recurrence"
- "Retrograde ureteroscopic endopyelotomy using Holmium: YAG Laser"
Podium presentations in the 38th Annual meeting of the Egyptian Urologic
Association, Cairo, Egypt, 2003.
- "Laser Transfection of TCC: New Potential Method for Gene Therapy
of Bladder Cancer "
Podium presentation in the 37th annual meeting of the Egyptian Urologic
Association, Luxor, Egypt, 2002.
- "Laser Endopyelotomy".
Video presentation in the 36th annual conference of the Egyptian urologic
association, Sharm EL-Sheikh, Egypt, 2001.
- "Percutaneous Nephrolithotomy for complex renal stones: Safety
and Efficacy".
Podium presentation in the 36th annual conference of the Egyptian Urologic
association, Sharm EL-Sheikh, Egypt, 2001.
- "Prostatic adenocarcinoma associated with bladder Cancer in cystoprostatectomy
specimens".
Poster presented in the 35th Annual conference of the Egyptian Urologic
association, Cairo, Egypt, 2000.
- "Screening of prostatic carcinoma in urologic patients at risk".
Poster presented in the 34th Annual conference of the Egyptian Urologic
Association, Aswan, Egypt 1999.
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| Scientific Publications: |
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Papers:
- Conservative Treatment of Liver Injury during Percutaneous Nephrolithotomy.
El-Nahas AR, Mansour AM, Ellaithy R, Abol-Enein
H.
J Endourol 2008; 22:1649-1652
- Safety and Efficacy of Supracostal Percutaneous Nephrolithotomy in
Pediatric Patients
El-Nahas AR, Shokeir AA, EL-Kenawy MR,
Shoma AM, Eraky I, El-Assmy AM, Ghaly AM, El-Kappany HA. J Urol 2008;
180: 676-680.
- Long-Term Effects of Extracorporeal Shock Wave Lithotripsy on Renal
Function: Our Experience With 156 Patients With Solitary Kidney"
El-Assmy AM, El-Nahas AR, Hekal IA, Badran
M, Youssef IF, Sheir KZ.
J Urol 2008; 179: 2229-2232.
- Functional and morphological effects of postpercutaneous nephrolithotomy
superselective renal angiographic embolization.
El-Nahas AR, Shokeir AA, Mohsen T, Gad
HM, El-Assmy AM, El-Diasty TA, El-Kappany H. Urology 2008; 71: 408-412.
- Detection of Residual Stones after Percutaneous Nephrolithotomy:
Role of Non-enhanced Spiral Computerized Tomography.
Osman Y, EL-Tabey N, Refai H, El-Nahas A,
Shoma A, Eraky I, EL-Kenawy M, El-Kappany H. J Urol. 2008; 179: 198-200.
- Laparoscopic pyeloplasty: a prospective randomized comparison between
the transperitoneal approach and retroperitoneoscopy.
Shoma AM, El-Nahas AR, Bazeed MA. J Urol.
2007; 178: 2020-2024.
- Combination of laparoscopy and nephroscopy for treatment of stones
in pelvic ectopic kidneys.
El-Kappany HA, El-Nahas AR, Shoma AM, El-Tabey
NA, Eraky I, EL-Kenawy MR. J Endourol. 2007, 21 (9): 1131-1135.
- Renal access by urologist or radiologist for percutaneous nephrolithotomy--is
it still an issue?
El-Assmy AM, Shokeir AA, Mohsen T, El-Tabey N, El-Nahas
AR, Shoma AM, Eraky I, El-Kenawy MR, El-Kappany HA. J Urol. 2007;
178: 916-920.
- Urinary complications of migrated intrauterine contraceptive device.
EL-Hefnawy AS, EL-Nahas AR, Osman Y. Bazeed
MA.
Int Urogynecol J. 2008 Feb;19 (2):241-245.
- Magnetic resonance imaging in the evaluation of pelvi-ureteric junction
obstruction: an all-in-one approach.
El-Nahas AR, Abou El-Ghar ME, Refae HF,
Gad HM, El-Diasty TA.
BJU Int. 2007 Mar; 99(3): 641-645.
- Impact of the degree of hydronephrosis on the efficacy of in situ
extracorporeal shock-wave lithotripsy for proximal ureteral calculi.
El-Assmy A, El-Nahas AR, Youssef RF, El-Hefnawy
AS, Sheir KZ.
Scand J Urol Nephrol. 2007;41(3):208-13.
- Does degree of hydronephrosis affect success of extracorporeal shock
wave lithotripsy for distal ureteral stones?
El-Assmy A, El-Nahas AR, Youssef RF, El-Hefnawy
AS, Sheir KZ.
Urology. 2007 Mar; 69(3): 431-5.
- Retrograde endopyelotomy: a comparison between laser and Acucise balloon
cutting catheter.
El-Nahas AR. Curr Urol Rep. 2007 Mar;8(2):122-7.
- Post-percutaneous nephrolithotomy extensive hemorrhage: A study of
risk factors.
El-Nahas AR, Shokeir AA, El-Assmy AM, Mohsen
T, Shoma AM, Eraky I, El-Kenawy MR, El-Kappany HA. J Urol. 2007; 177:
576-579.
- Outcome of Percutaneous Nephrolithotomy: Effect of Body Mass Index.
El-Assmy AM, Shokeir AA, El-Nahas AR, Shoma
AM, Eraky I, El-Kenawy MR, El-Kappany HA. Eur Urol. 2007
- A Prospective Multivariate Analysis of Factors Predicting Stone Disintegration
by Extracorporeal Shock Wave Lithotripsy: The Value of High-Resolution
Noncontrast Computed Tomography.
El-Nahas AR, El-Assmy AM, Mansour O, Sheir
KZ. Eur Urol. 2007
- "Predictors of Clinical Significance of Residual Fragments after
Extracorporeal Shockwave Lithotripsy for Renal Stones"
El-Nahas AR, El-Assmy AM, Madbouly K, Sheir
KZ. J Endourol. 2006; 20 (11): 869-873.
- "Is Pre-Shock Wave Lithotripsy Stenting Necessary for Ureteral
Stones With Moderate or Severe Hydronephrosis?"
El-Assmy A, El-Nahas AR, Sheir KZ. J Urol.
2006; 176: 2059-2062.
- "Percutaneous endopyelotomy for secondary ureteropelvic junction
obstruction: Prognostic factors affecting late recurrence"
El-Nahas AR, Shoma AM, Eraky I, El-Kenawy
MR, El-Kappany HA. Scand J Urol Nephrol 2006, 40 (5): 385-390.
- "Extracorporeal shock-wave lithotripsy monotherapy of partial
staghorn calculi".
El-Assmy A, El-Nahas AR, Madbouly K, Abdel-Khalek
M, Abo-Elghar ME, Sheir KZ. Scand J Urol Nephrol 2006; 40(4):320-325.
- Treatment of renal stones in children: a comparison between percutaneous
nephrolithotomy and shock wave lithotripsy.
Shokeir AA, Sheir KZ, El-Nahas AR, El-Assmy
AM, Eassa W, El-Kappany HA J Urol. 2006; 176:706-710.
- "Self-retaining ureteral stents: Analysis of factors responsible
for patient discomfort"
El-Nahas AR, Ahmed M. El-Assmy, Ahmed M.
Shoma, Ibrahim Eraky, Mahmoud R. EL-Kenawy, Hamdy A. EL-Kappany.
J Endourol., 2006, 20 (1): 33-37.
- "Percutaneous treatment of large upper tract stones after urinary
diversion".
El-Nahas AR, Ibrahim Eraky, Ahmed M. EL-Assmy,
Ahmed M. Shoma, Mahmoud R. EL-Kenawy, Mohamed Abdel-Latif, Ahmed Mosbah,
Hassan Abol-Enein, Atallah A Shaaban, Tarek Mohsen, MD Hamdy A. ELKappany,
Accepted for publication in Urology.
- "Colonic perforation during percutaneous nephrolithotomy: Study
of risk factors"
El-Nahas AR, Ahmed A. Shokeir, Ahmed M.
El-Assmy, Ahmed M. Shoma, Ibrahim Eraky, Mahmoud R. EL-Kenawy, Hamdy
A. EL-Kappany, Urology; 2006
- "Percutaneous endopyelotomy for secondary ureteropelvic junction
obstruction: Prognostic factors affecting late recurrence"
El-Nahas AR, Ahmed M. Shoma, Ibrahim Eraky,
Mahmoud R. EL-Kenawy, Hamdy A. EL-Kappany. SJUN; 2006, 40
- "Predictors of success after extracorporeal shock wave lithotripsy
(ESWL) for renal calculi between 20-30 mm: A multivariate analysis model".
Ahmed El-Assmy1, El-Nahas AR, Mohamed E.
Abo-Elghar, Ibrahim Eraky1, Mahmoud R. El-Kenawy, and Khaled Z. Sheir.
TSW Urology; 2006, 1: 93-100.
- "Safety and outcome of rigid ureteroscopy in management of ureteral
calculi in children"
Ahmed M. El-Assmy, Ashraf T. Hafez, Ibrahim Eraky, El-Nahas AR, Hamdy
A. EL-Kappany. J Endourol., 2006, 20 (4): 20-23.
- "Prospective randomized comparison of ureteroscopic endopyelotomy
using Holmium: YAG Laser and Balloon catheter"
El-Nahas AR, Ahmed M. Shoma, Ibrahim Eraky,
Mahmoud R. EL-Kenawy, Hamdy A. EL-Kappany. J Urol., 2006, 175: 614-618.
- "Laparoscopic Adrenalectomy: A single center experience of 43
cases"
Hamdy A. EL-Kappany, Ahmed M. Shoma, Nasr A EL-Tabey, El-Nahas
AR and Ibrahim Eraky. J Endourol., 2005, 19 (10): 956-959.
- "Extracoropreal shock wave lithotripsy of upper urinary tract
calculi in patients with cystectomy and urinary diversion"
Ahmed El-Assmy, El-Nahas AR, Tarek Mohsen,
Ibrahim Eraky, Mahmoud R. El-kenawy, Attalah A. Shaban, Khaled Z. Sheir,
MD. Accepted for publication in Urology; 2005.
- "Laparoscopic excision of prostatic hydatid cyst: Case report
and review of literature".
EL-Kappany HA, El-Nahas AR, EL-Nhahas HA.
J Endourol, 2005, 19: 290-294.
- "Role of multiphasic helical computed tomography in planning
surgical treatment of pelvi-ureteric junction obstruction".
El-Nahas AR, Abo EL-Ghar M, Shoma AM, Eraky
I, EL-Kenawy MR and EL-Kappany H. BJU Int. 2004; 94: 582-587.
- "Percutaneous nephrolithotomy in treatment of large stone within
horseshoe kidney".
Shokeir AA, El-Nahas AR, Shoma AM, Eraky
I, EL-Kenawy MR, Mokhtar A and EL-Kappany H. Urology 2004; 64: 426-429.
- "Bilharzial pyelitis: A rare cause of secondary ureteropelvic
junction obstruction".
El-Nahas AR, Shoma AM and EL-Baz M. J Urol
2003; 170: 1946-1947.
- "Flexible ureterorenoscopy: Indications and limitations"
El-Nahas AR, Michel MS and EL-Kappany HA.
AJU 2003; 3: 22-29.
- "Percutaneous nephrolithotomy for complex renal stones: Safety
and efficacy".
Eraky I, El-Nahas AR, Shoma A, EL-Kenawy
M, and EL-Kappany H. AJU 2003; 3: 22-29.
- "A rational for prostate cancer detection in a developing country:
Comparison of screening and case finding".
El-Nahas AR, Abol-Enein H, Abel-Khalek
M, EL-Assmy A, AL-Kohlany K, EL-Baz M and Ibraheim EI. African Journal
of Urology 2003; 9: 3-7.
- "Case report: An abnormal site of JJ migration".
El-Nahas AR, and Shaaban AA. BJU Int 2002;
90 (1cr), 139.
- "Prostatic adenocarcinoma in cystoprostatectomy specimens removed
for bladder tumors in bilharzial patients".
El-Nahas AR, Abol-Enein H, El-Baz MA and
Ibraheim EI.
African Journal of Urology 2002; 8: 83-86.
- "Tumor characteristics of prostatic carcinoma at Mansoura Urology
and Nephrology Center, Egypt".
El-Nahas AR, Abol-Enein H, El-Baz MA and
Ibraheim EI.
Egyptian Journal of Urology 2001; 8:24-28.
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| Honors & Prizes: |
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- Winner of the Doctor's 17th Anniversary Medal, Egyptian Medical Syndicate,
1993.
- Winner of Professor Fakhry Prize for special surgery in 2005.
- Winner of the best Poster presentation in PCNL session in XXIst European
Association of Urology Conference (Paris 5-8 April 2006).
- Winner of the best Poster presentation in ESWL session in XXIst European
Association of Urology Conference (Paris 5-8 April 2006).

- Egyptian National Encourage Prize for Medical Science in 2007.
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| Thesis Supervision: |
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- "Sequelae of Extracorporeal Shockwaves Lithotripsy in Pediatric
Patients"
An Essay for Master degree in urology, by Bassam Abelhamid Awad.
- "Laparoscopy in Pediatric Urology: The outcome and Morbidity"
An Essay for Master degree in urology, by Reda Hendak Soliman
- "Management of stones associated with congenital renal anomalies"
An Essay for Master degree in urology, by Anees Mahmoud Bazeed.
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| Reviewer for International
Journals (Since 2005 ): |
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- European Urology: 19 manuscripts.
- Journal of Endourology: 5 manuscripts.
- Urology (Golden): 4 manuscripts.
- Journal of Urology: 2 manuscripts.
- International Brazilian Journal of Urology: 1 manuscript.
- British Medical Central (Urology): 1 manuscript.
- Natural Clinical Practice (Urology): 1 manuscript.
- McMaster Online Rating of Evidence (MORE): 22 articles.
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| References: |
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From Egypt
- Mohamed A. Ghoneim, MD, MD (Hon.)
Emeritus Professor of Urology, Urology & Nephrology Center,
Mansoura University, Mansoura - Egypt
- Hamdy A. EL-Kappany, MD,
Professor and head of urology department,
Urology & Nephrology Center,
Mansoura University, Mansoura - Egypt
- Prof. Hassan Abol-Enein, MD, PhD
Professor of Urology,
Director of Urology & Nephrology Center,
Mansoura University, Mansoura - Egypt
Outside Egypt
- Peter Alken, MD
Professor and head of department of urology,
University hospital, Mannheim,
Faculty of clinical medicine of the University of Heidelberg, Mannheim,
Germany.
- Ralph Claymann
Professor and head of department of urology,
University of California, Irvine (UCI),
USA.
- Prof. Mourice Stephan Michil, MD
Professor and head of department of urology,
University hospital, Mannheim,
Faculty of clinical medicine of the University of Heidelberg, Mannheim,
Germany.
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Copyright
©
Communications
& Information Technology Center
, Mansoura
University
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