[On the 80th birthday of Prof. P. Ia. Lel'chuk, Honored Scientist of the RSFSR].
D006176:Gynecology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D009774:Obstetrics / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
K 80-letiiu zasluzhennogo deiatelia nauki RSFSR professora P. Ia. Lel'chuka.