title: The in vitro transport of calcium by the frog intestine and the effect of vitamin D.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D002118:Calcium / Q000097:blood / Q000378:metabolism*; D002762:Cholecalciferol / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D004386:Duodenum / Q000378:metabolism; D007082:Ileum / Q000378:metabolism; D007413:Intestinal Mucosa / Q000187:drug effects / Q000378:metabolism*; D007421:Intestine, Small / Q000378:metabolism*; D007583:Jejunum / Q000378:metabolism; D007700:Kinetics; D011894:Rana pipiens; D012621:Seasons; D013997:Time Factors
chemical_list: D002762:Cholecalciferol; D002118:Calcium