[On the 70th anniversary of the eminent scientist of the RSFSR, Prof. Petr Iakovlevich Lel'chuk].
D006176:Gynecology / Q000266:history; D049673:History, 20th Century; D009774:Obstetrics / Q000266:history; D014455:Ukraine
K 70-letiiu zasluzhennogo deiatelia nauki RSFSR Professora Petra Iakovlevicha Lel'chuka.