[F. Engels on the social bases of health protection of the working class (on the 165th anniversary of Engels' birth].
D005197:Famous Persons; D049672:History, 19th Century; D009787:Occupational Medicine / Q000266:history*; D012425:Russia (Pre-1917); D012936:Social Medicine / Q000266:history*; D012950:Socialism / Q000266:history*; D006113:United Kingdom
F. Engel's o sotsial'nykh osnovakh okhrany zdorov'ia rabochego klassa (k 165-letiiu so dnia rozhdeniia F. Engel'sa).