[An in vitro method for the pharmacological studies of the gallbladder of guinea pig].
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001464:Barium / Q000494:pharmacology; D005704:Gallbladder / Q000187:drug effects*; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology*; D013035:Spasm / Q000139:chemically induced
D001464:Barium; D001285:Atropine; D006632:Histamine; D000109:Acetylcholine