title: Physical fitness and exercise among 40--50-year old men in two Finnish industrial enterprises.
mesh_terms: D000328:Adult; D000375:Aging; D000886:Anthropometry; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D009790:Occupations; D005082:Physical Exertion; D010809:Physical Fitness; D014938:Work Capacity Evaluation