EXCERPTS FROM THE HISTORY OF THEPENNSYLVANIA ACADEMY OF OPHTHALMOLOGY AND OTOLARYNGOLOGY.
D000047:Academies and Institutes; D006664:History; D009885:Ophthalmology; D010036:Otolaryngology; D012952:Societies; D012955:Societies, Medical
HISTORY; OPHTHALMOLOGY; OTORHINOLARYNGOLOGY; SOCIETIES, MEDICAL