[Medical services to the workers of St. Petersburg in 1882--1886 (according to materials of an industrial commission)].
D049672:History, 19th Century; D009786:Occupational Health Services / Q000266:history*; D012425:Russia (Pre-1917)
Meditsinskaia pomoshch' rabochim Peterburga v 1882--1886 gg. (po. materialam fabrichno-zavodskoĭ komissii).