[Effects of Na +  on Ca contracture of the K + -depolarized smooth muscle of the guinea-pig ureter].
D000818:Animals; D001464:Barium / Q000494:pharmacology; D002118:Calcium / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology*; D012964:Sodium / Q000494:pharmacology*; D013324:Strontium / Q000494:pharmacology; D014513:Ureter / Q000187:drug effects*
D001464:Barium; D012964:Sodium; D011188:Potassium; D002118:Calcium; D013324:Strontium