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Value of endoscopic retrograde cholangiography and biliary drainage in the diagnosis of occult gallbladder diseases / by Hisham Samy Abd Allah Abd El-Fattah ; supervised by Abd El-Fattah Abd El-Salam Abd El-Fattah ... [et al.]. Abd El-Fattah, Hisham Samy Abd Allah.
2001.
126, 3 p. : ill. ; 25 cm.