title: [Physical activity, smoking and the significance of vitamins A and D in osteoporosis].
authors.affiliation: Hillerød Sygehus, Medicinsk Funktionsenhed I, Endokrinologisk Afsnit. piei@fa.dk
authors.forename: Pia A
authors.initials: PA
authors.lastname: Eiken
authors.forename: Peter
authors.initials: P
authors.lastname: Schwarz
authors.forename: Lars Rejnmark
authors.initials: LR
authors.lastname: Nielsen
mesh_terms: D000368:Aged; D015444:Exercise; D005598:Fractures, Spontaneous / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D010024:Osteoporosis / Q000150:complications / Q000517:prevention & control*; D015663:Osteoporosis, Postmenopausal / Q000150:complications / Q000517:prevention & control; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D014801:Vitamin A / Q000009:adverse effects*; D014807:Vitamin D / Q000008:administration & dosage*
chemical_list: D014801:Vitamin A; D014807:Vitamin D