title: Variant angina: more variants of the variant.
mesh_terms: D000787:Angina Pectoris / Q000503:physiopathology / Q000628:therapy; D000788:Angina Pectoris, Variant / Q000503:physiopathology / Q000628:therapy; D001337:Autonomic Agents; D001341:Autonomic Nervous System / Q000503:physiopathology; D003331:Coronary Vessels / Q000294:innervation / Q000503:physiopathology; D004874:Ergonovine; D006801:Humans; D013035:Spasm / Q000139:chemically induced / Q000503:physiopathology; D014661:Vasoconstriction
chemical_list: D001337:Autonomic Agents; D004874:Ergonovine