Screening for vitamin D depletion.
D000818:Animals; D004285:Dogs; D006801:Humans; D006887:Hydroxycholecalciferols / Q000627:therapeutic use; D010018:Osteomalacia / Q000517:prevention & control; D014808:Vitamin D Deficiency / Q000517:prevention & control*
D006887:Hydroxycholecalciferols; C008088:alfacalcidol