[Holiday and spare time--a study from the viewpoint of occupational medicine].
D003080:Cold Temperature / Q000009:adverse effects; D006358:Hot Temperature / Q000009:adverse effects; D006801:Humans; D009787:Occupational Medicine; D011998:Recreation; D013177:Sports; D014466:Ultraviolet Rays / Q000009:adverse effects
Urlaub und Freizeitgestaltung--eine Studie aus arbeitsmedizinischer Sicht.