TY - JOUR AU - Wouters, M W; Gooiker, G A; van Sandick, J W TI - The volume-outcome relation in the surgical treatment of esophageal cancer: a systematic review and meta-analysis JO - Cancer VL - 118 PY - 2012 DO - 10.1002/cncr.26383 SP - 1754 EP - 1763 N1 - et al. ER -