Utility of BNP peptide as a rapid, point-of-care test for screening patients undergoing echocardiography to determine left ventricular dysfunction. - Maisel,A.; Koon,J.; Krishnaswamy,P.; Kazenegra,R.; Clopton,P.; Gard,N.; Morrisey,R.; Garcia,A.; Chiu,A.; de Maria,A. (Am Heart J, 2001)