TY - JOUR T1 - Mock Circulation to test Pumps Designed for Permanent Replacement of Damaged Hearts JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 223 LP - 226 VL - 26 IS - 4 AU - Willem J. Kolff Y1 - 1959/10/01 UR - http://www.ccjm.org/content/26/4/223.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -