The mechanism of the contracting actions of K, noradrenaline and Ba on the rabbit's pulmonary artery strip in relation to Ca.
D000818:Animals; D001464:Barium / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*; D011188:Potassium / Q000494:pharmacology*; D011651:Pulmonary Artery / Q000187:drug effects; D011817:Rabbits
D001464:Barium; D011188:Potassium; D002118:Calcium; D009638:Norepinephrine