A prospective evaluation of an angiotensin-converting-enzyme gene polymorphism and the risk of ischemic heart disease. - Lindpaintner,K.; Pfeffer,M.A.; Kreutz,R.; Stampfer,M.J.; Grodstein,F.; LaMotte,F.; Buring,J.; Hennekens,C.H. (N Engl J Med, 1995)