J Shawn Mallery

Methods of granting hospital privileges to perform gastrointestinal endoscopy.

John J Vargo, Todd H Baron, D. Faigel, 2002, Gastrointestinal endoscopy.

Complications of upper GI endoscopy.

John J Vargo, Todd H Baron, D. Faigel, 2002, Gastrointestinal endoscopy.