Keeping pace with calcium channel blockers.
D000787:Angina Pectoris / Q000188:drug therapy*; D000788:Angina Pectoris, Variant / Q000188:drug therapy; D002121:Calcium Channel Blockers / Q000008:administration & dosage* / Q000009:adverse effects; D004347:Drug Interactions; D004509:Education, Nursing, Continuing; D006801:Humans; D014700:Verapamil / Q000009:adverse effects
D002121:Calcium Channel Blockers; D014700:Verapamil