[Morbidity and injuries of Petersburg workers in the beginning of the 20th century].
D000062:Accidents, Occupational; D049673:History, 20th Century; D006801:Humans; D009017:Morbidity; D009787:Occupational Medicine; D012425:Russia (Pre-1917); D013223:Statistics as Topic
Zabolevaemost' i travmatizm peterburgskikh rabochikh v nachale XX veka.