Effects of verapamil and nifedipine on smooth muscle of equine intrapulmonary arteries.
D000818:Animals; D006736:Horses / Q000502:physiology*; D009119:Muscle Contraction / Q000187:drug effects*; D009131:Muscle, Smooth, Vascular / Q000187:drug effects*; D009543:Nifedipine / Q000494:pharmacology*; D011651:Pulmonary Artery / Q000187:drug effects; D014700:Verapamil / Q000494:pharmacology*
D014700:Verapamil; D009543:Nifedipine