title: [Variant angina pectoris induced by left and right coronary artery spasm simultaneously or in turn].
authors.forename: Ze-sheng
authors.initials: ZS
authors.lastname: Xu
authors.forename: Zhi-ming
authors.initials: ZM
authors.lastname: Ren
authors.forename: Zhi-yuan
authors.initials: ZY
authors.lastname: Song
mesh_terms: D000368:Aged; D000788:Angina Pectoris, Variant / Q000503:physiopathology; D003329:Coronary Vasospasm / Q000503:physiopathology; D003331:Coronary Vessels / Q000503:physiopathology; D006801:Humans; D008297:Male