Habitual physical activity and health / by K. Lange Andersen ... et al. - Copenhagen : World Health Organization, 1978 - 188 p. : ill. ; 24 cm. - WHO regional publications. European series ; no.6. . ISBN: 9290201061 Subjects--Topical Terms: Exercise--Physiological aspectsHealth National Library of Medicine Call No.: QT255 / .A544h 1978