TY - JOUR AU - Nieveen van Dijkum, E J TI - The efficacy of laparoscopic staging in patients with upper gastrointestinal tumors JO - Cancer VL - 79 PY - 1997 DO - 10.1002/(SICI)1097-0142(19970401)79:7<1315::AID-CNCR7>3.0.CO;2-F L3 - PubMed-ID: 9083152 SP - 1315 EP - 1359 N1 - et al. ER -