[75th anniversary of the Leningrad Scientific Ophthalmological Society].
D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history*; D012426:Russia; D012425:Russia (Pre-1917); D012955:Societies, Medical / Q000266:history*
Leningradskomu Nauchnomu Oftal'mologicheskomu Obshchestvu 75 let