[Semen Fedorovich Letnik; 30th anniversary of scientific-pedagogic and organizational activities].
D000846:Anniversaries and Special Events; D001826:Body Fluids; D006664:History; D012661:Semen
BIOGRAPHY
PROFESSOR Semen Fedorovich Letnik (K 30-letiiu nauchno-pedagogicheskoi i obshchestvennoi deiatel'nosti).