title: Prolonged tests with retinoic acid as a source of vitamin A for rats.
mesh_terms: D000818:Animals; D001835:Body Weight; D008099:Liver / Q000378:metabolism; D008297:Male; D009929:Organ Size; D051381:Rats; D013737:Testis / Q000033:anatomy & histology; D014212:Tretinoin / Q000378:metabolism / Q000627:therapeutic use*; D014801:Vitamin A / Q000031:analogs & derivatives* / Q000378:metabolism; D014802:Vitamin A Deficiency / Q000188:drug therapy / Q000378:metabolism*; D014985:Xerophthalmia / Q000188:drug therapy
chemical_list: D014801:Vitamin A; D014212:Tretinoin