title: Letter by Yasue et al regarding article, "Clinical usefulness, angiographic characteristics, and safety evaluation of intracoronary acetylcholine provocation testing among 921 consecutive white patients with unobstructed coronary arteries".
authors.affiliation: Division of Cardiovascular Medicine, Kumamoto Kinoh Hospital, Kumamoto Aging Research Institute, Kumamoto City, Japan.
authors.forename: Hirofumi
authors.initials: H
authors.lastname: Yasue
authors.affiliation: Division of Cardiovascular Medicine, Kumamoto Kinoh Hospital, Kumamoto Aging Research Institute, Kumamoto City, Japan.
authors.forename: Yuji
authors.initials: Y
authors.lastname: Mizuno
authors.affiliation: Division of Cardiovascular Medicine, Kumamoto Kinoh Hospital, Kumamoto Aging Research Institute, Kumamoto City, Japan.
authors.forename: Eisaku
authors.initials: E
authors.lastname: Harada
mesh_terms: D000109:Acetylcholine; D017023:Coronary Angiography; D003329:Coronary Vasospasm / Q000175:diagnosis*; D003331:Coronary Vessels / Q000187:drug effects*; D005260:Female; D006801:Humans; D008297:Male; D017202:Myocardial Ischemia / Q000175:diagnosis*
chemical_list: D000109:Acetylcholine