Osteomalacia.
D000368:Aged; D003937:Diagnosis, Differential; D004032:Diet; D005265:Femoral Neck Fractures / Q000209:etiology; D006801:Humans; D010018:Osteomalacia / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology*; D012621:Seasons; D013472:Sunlight; D014807:Vitamin D / Q000378:metabolism*; D014808:Vitamin D Deficiency / Q000150:complications
D014807:Vitamin D