title: Editorial: Provoking variant angina.
mesh_terms: D000787:Angina Pectoris / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D017023:Coronary Angiography; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008688:Methacholine Compounds; D009200:Myocardial Contraction; D013035:Spasm / Q000150:complications; D013577:Syndrome
chemical_list: D008688:Methacholine Compounds