3Ogawa T,Komukai K,Ogawa K,et al.High incidence of repeat angi-nal attacks despite treatment with calcium-channel blockers in patiet-ns with coronary spastic angina[].Circulation Journal.2009
4Rosamond W,Flegal K,Friday G,et al.Heart disease and stroke statistics-2007 update: a report from the American Heart Association Statistics Committee and Stroke Statistics Subcommittee[].Circulation.2007