[Not enough sunlight].
D000328:Adult; D002118:Calcium / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D010018:Osteomalacia / Q000188:drug therapy / Q000209:etiology*; D013472:Sunlight; D014807:Vitamin D / Q000627:therapeutic use; D014808:Vitamin D Deficiency / Q000150:complications* / Q000188:drug therapy / Q000209:etiology
D014807:Vitamin D; D002118:Calcium
Te weinig in de zon.