Occupational health and safety in Great Britain, 1968.
D000056:Accident Prevention; D000062:Accidents, Occupational; D000383:Agriculture; D000397:Air Pollution; D004493:Education; D006801:Humans; D008906:Mining; D009786:Occupational Health Services; D009787:Occupational Medicine; D011009:Pneumoconiosis / Q000453:epidemiology*; D006113:United Kingdom