title: Do low vitamin D levels increase risk for hip fracture?
mesh_terms: D000058:Accidental Falls; D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D000368:Aged; D015992:Body Mass Index; D001862:Bone Resorption; D016022:Case-Control Studies; D005260:Female; D016330:Frail Elderly; D012739:Gonadal Steroid Hormones / Q000097:blood; D006304:Health Status; D006620:Hip Fractures / Q000097:blood* / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D016017:Odds Ratio; D010809:Physical Fitness; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood
chemical_list: D000305:Adrenal Cortex Hormones; D012739:Gonadal Steroid Hormones; D014807:Vitamin D; C104450:25-hydroxyvitamin D