title: A call for more vitamin D research.
mesh_terms: D035843:Biomedical Research; D002980:Climate; D006801:Humans; D013472:Sunlight / Q000009:adverse effects; D014466:Ultraviolet Rays / Q000009:adverse effects; D014807:Vitamin D / Q000494:pharmacology / Q000627:therapeutic use
chemical_list: D014807:Vitamin D