Vitamin A deficiency: a review. I.
D002455:Cell Division / Q000187:drug effects; D006801:Humans; D007633:Keratins / Q000096:biosynthesis; D009912:Oral Manifestations; D014802:Vitamin A Deficiency / Q000150:complications*; D014945:Wound Healing / Q000187:drug effects
D007633:Keratins