[1st complex social-hygienic study of the condition of the proletariat in Russia and its significance for social hygiene].
D006306:Health Surveys; D049672:History, 19th Century; D049673:History, 20th Century; D011634:Public Health / Q000266:history*; D012425:Russia (Pre-1917)
Pervye kompleksnye sotsial'no-gigienicheskie issledovaniia polozheniia proletariata v Rossii i ikh znachenie dlia sotsial'noĭ gigieny