Electroesophagogram in gastroesophageal reflux disease with a new theory on the pathogenesis of its electric changes

by Shafik Ismail, El-Sibai Olfat, Shafik Ahmed, Shafik Ali
Published 2004-10-01

On the pathogenesis of penile venous leakage: role of the tunica albuginea

by El Sibai Olfat, Shafik Ismail, Shafik Ahmed, Shafik Ali A
Published 2007-09-01

Study of the response of the penile corporal tissue and cavernosus muscles to micturition

by El Sibai Olfat, Shafik Ismail A, Shafik Ahmed, Shafik Ali A
Published 2008-03-01