title: The angiographic definition of critical coronary stenosis.
mesh_terms: D000818:Animals; D017023:Coronary Angiography; D003326:Coronary Circulation; D003327:Coronary Disease / Q000000981:diagnostic imaging*; D006801:Humans; D008954:Models, Biological; D005996:Nitroglycerin
chemical_list: D005996:Nitroglycerin