Of dogs and frogs and cholecystokinin.
D002765:Cholecystography; D002766:Cholecystokinin / Q000009:adverse effects; D005704:Gallbladder / Q000187:drug effects*; D006801:Humans; D007421:Intestine, Small / Q000000981:diagnostic imaging* / Q000187:drug effects; D013679:Technology, Radiologic
D002766:Cholecystokinin