[Medical activities of the physician and revolutionary, P.V. Dobrovol'skiĭ, in the Turgai Steppe].
D049672:History, 19th Century; D049673:History, 20th Century; D007623:Kazakhstan; D011634:Public Health / Q000266:history
Meditsinskaia deiatel'nost' vracha-revoliutsionera P. V. Dobrovol'skogo v Turgaĭskoĭ stepi.