[Lang Georgiĭ Fedorovich (to the 135-th birthday anniversary)].
Beliaeva
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D000047:Academies and Institutes / Q000266:history; D002309:Cardiology / Q000266:history; D005762:Gastroenterology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917); D014586:USSR