Myocardial Protection in Valve Replacement Procedures: Moderate Systemic Hypothermia versus Cold Cardioplegic Arrest - A 4 1/2 Years' Experience - Kraft-Kinz, J; Rigler, B; Stenzl, W; Tscheliessnigg, K H; Dacar, D (The Thoracic and Cardiovascular Surgeon, 1983)