title: Nail growth, calcium, and vitamin D.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002118:Calcium / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009262:Nails / Q000254:growth & development*; D014807:Vitamin D / Q000502:physiology*
chemical_list: D014807:Vitamin D; D002118:Calcium