Proceedings: Contraction of the ureter and the effect of trivalent cations in guinea pigs.
D000818:Animals; D002118:Calcium / Q000494:pharmacology; D006168:Guinea Pigs; D006859:Hydrogen / Q000494:pharmacology; D007811:Lanthanum / Q000494:pharmacology; D009130:Muscle, Smooth / Q000187:drug effects*; D012493:Samarium / Q000494:pharmacology; D014513:Ureter / Q000187:drug effects; D015019:Yttrium / Q000494:pharmacology
D012493:Samarium; D015019:Yttrium; D007811:Lanthanum; D006859:Hydrogen; D002118:Calcium