[The benefits of physical training--justified or not?].
D000368:Aged; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000209:etiology / Q000517:prevention & control; D010806:Physical Education and Training; D005082:Physical Exertion; D012306:Risk
Nyttan av motion--bevisad eller ej?