title: Do you need a vitamin D screening?
mesh_terms: D019587:Dietary Supplements; D015438:Health Behavior; D006801:Humans; D040242:Risk Reduction Behavior; D014807:Vitamin D / Q000097:blood*; D014808:Vitamin D Deficiency / Q000175:diagnosis* / Q000517:prevention & control
chemical_list: D014807:Vitamin D