[Spread of hygiene in industry].
D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007564:Japan; D009784:Occupational Diseases / Q000266:history*; D009787:Occupational Medicine / Q000266:history*; D011041:Poisoning / Q000453:epidemiology; D012940:Social Problems; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology