Effect of hypervitaminosis A and hypovitaminosis A on the skeleton of a duck.
D000818:Animals; D001361:Avitaminosis; D001842:Bone and Bones; D004372:Ducks; D006801:Humans; D006986:Hypervitaminosis A; D009141:Musculoskeletal System; D012863:Skeleton; D014801:Vitamin A / Q000494:pharmacology*
D014801:Vitamin A
BONE TISSUE; VITAMIN A/effects