[The trias of occupational medical health care].
D000056:Accident Prevention; D001317:Austria; D006804:Ergonomics; D005860:Germany, West; D006801:Humans; D006920:Hygiene; D009787:Occupational Medicine; D011315:Preventive Medicine; D013557:Switzerland
Die Trias der arbeitsmedizinischen Gesundheitsvorsorge.