title: Calcium activation systems in vascular smooth muscle.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001808:Blood Vessels / Q000187:drug effects / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism*; D005711:Gallopamil / Q000494:pharmacology; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009130:Muscle, Smooth / Q000187:drug effects / Q000378:metabolism*; D009543:Nifedipine / Q000494:pharmacology*; D011725:Pyridines / Q000494:pharmacology*; D014700:Verapamil / Q000494:pharmacology*
chemical_list: D011725:Pyridines; D005711:Gallopamil; D014700:Verapamil; D009543:Nifedipine; D002118:Calcium