Sameh Shehata

surgery sameh shehata pediatric surgery history medical hypospadias skills prepuce circumcision anal incontinnece anal continence enterocolitis complications hirschsprung disease testicular cancer fertility ectopic testis shehata technique laparoscopy retractile testis testisundescended testis medical education cdh morgagni hernia feto fetal surgery cogenital diaphragmatic hernia liver transplantation kasai noeonatal jaundice biliary atresia resources education facebook online social media maldescent cryptorchidism undescended ectopic testis retractile egypt medicine imhotep mummification ancient technology robotics future pediatric constipation hirschsprung's disease training clinical chordee spongioplasty hernia inguinal groin strategies techniques study powerpoint boring bad presention pitfalls presentation mistakes