[1st steps in the scientific activities of D. K. Zabolotnyĭ].
D001432:Bacteriology / Q000266:history; D004813:Epidemiology / Q000266:history; D049672:History, 19th Century; D012425:Russia (Pre-1917); D012955:Societies, Medical / Q000266:history
Pervye shagi nauchnoĭ deiatel'nosti D. K. Zabolotnogo.