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15. Directory of ophthalmic societies. Trans Sect Ophthalmol Am Acad Ophthalmol Otolaryngol; 1976; 81(2):XXXIII-XLVI. PubMed ID: 779215 [No Abstract] [Full Text] [Related]
16. Directory, Pennsylvania Academy of Ophthalmology and Otolaryngology, 1976. Trans Pa Acad Ophthalmol Otolaryngol; 1976; 29(1):113-27. PubMed ID: 785720 [No Abstract] [Full Text] [Related]