[Dr. Konstantin Chilov, 1898--1978 (on his 80th birthday)].
D002031:Bulgaria; D049672:History, 19th Century; D049673:History, 20th Century; D007388:Internal Medicine / Q000266:history
Prof. d-r Konstantin Chilov--1898--1978 (po sluchaĭ 80 godini ot rozhdenieto mu).