[Nikolaĭ Nikolaevich Sirotinin (on his 75th birthday)].
D000486:Allergy and Immunology / Q000266:history; D001432:Bacteriology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D010336:Pathology / Q000266:history; D014586:USSR
Nikolaĭ Nikolaevich Sirotinin (k 75-letiiu so dnia rozhdeniia.