title: [Silent coronary spasm].
authors.affiliation: Department of Cardiology, National Kyushu Medical Center Hospital.
authors.forename: S
authors.initials: S
authors.lastname: Koyanagi
mesh_terms: D002940:Circadian Rhythm; D003326:Coronary Circulation; D003329:Coronary Vasospasm / Q000145:classification / Q000209:etiology / Q000503:physiopathology; D015716:Electrocardiography, Ambulatory; D006801:Humans