Endoscopic photography: a historical vignette.
Stool
S E
SE
University of Pittsburgh School of Medicine, Pennsylvania.
D004724:Endoscopy / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010038:Otorhinolaryngologic Diseases / Q000175:diagnosis / Q000266:history*; D010781:Photography / Q000266:history* / Q000295:instrumentation / Q000379:methods