[Effects of progesterone and 17 beta-estradiol on contraction of the isolated gallbladder of the guinea pig].
D000818:Animals; D004958:Estradiol / Q000494:pharmacology*; D005704:Gallbladder / Q000187:drug effects* / Q000502:physiology; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D011374:Progesterone / Q000494:pharmacology*
D011374:Progesterone; D004958:Estradiol