TY - JOUR AU - Kalmar, P; Irrgang, E TI - Cardiac surgery in the Federal Republic of Germany during 1988 JO - Thorac Cardiovasc Surg IS - 03 VL - 37 PY - 1989 DO - 10.1055/s-2007-1020317 L3 - PubMed-ID: 2763280 SP - 193 EP - 195 ER -