[Nikolaĭ Nikolaevich Sirotinin (on his 80th birthday)].
D000047:Academies and Institutes / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D007388:Internal Medicine / Q000266:history; D012426:Russia; D012577:Schools, Medical / Q000266:history
Nikolaĭ Nikolaevich Sirotinin (k 80-letiiu so dnia rozhdeniia)