Diagnostic endoscopic procedures.
D004724:Endoscopy; D006801:Humans
ENDOSCOPY
Ann Otol Rhinol Laryngol. 1951 Sep;60(3):840-6
14885928
AMA Arch Ind Hyg Occup Med. 1952 Mar;5(3):232-3
14902140
AMA Arch Otolaryngol. 1955 Mar;61(3):267-76
14349461