[Health protection of the working class (according to materials of the Central Commission for the Recruitment of Workers)].
D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D011635:Public Health Administration / Q000266:history; D012923:Social Class; D013222:State Medicine / Q000266:history*; D014586:USSR
K voprosu ob okhrane zdorov'ia rabochego klassa (materialy tsentral'noĭ komissii po rabochemu snabzheniiu)