[A. Ia. Tsigel'nik (on his 80th birthday)].
D049672:History, 19th Century; D049673:History, 20th Century; D008171:Lung Diseases / Q000266:history; D014376:Tuberculosis / Q000266:history; D014586:USSR
A. Ia. Tsigel'nik (k 80-letiiu so dnia rozhdeniia.