title: Assessment of coronary vasoreactivity.
authors: R
authors: R
authors: MacAlpin
mesh_terms: D000109:Acetylcholine; D017023:Coronary Angiography; D003331:Coronary Vessels / Q000000981:diagnostic imaging*; D006801:Humans; D005996:Nitroglycerin; D014463:Ultrasonography; D014666:Vasomotor System / Q000000981:diagnostic imaging*
chemical_list: D005996:Nitroglycerin; D000109:Acetylcholine