Video, part three.
Sellin
Joseph H
JH
D003424:Crohn Disease / Q000175:diagnosis* / Q000473:pathology; D020776:Endoscopes, Gastrointestinal; D016099:Endoscopy, Gastrointestinal / Q000379:methods*; D006801:Humans; D007421:Intestine, Small / Q000473:pathology*; D014741:Video Recording