1. The prognostic impact of COX‐2 expression in breast cancer depends on oral contraceptive history, preoperative NSAID use, and tumor size. Issue 1 (28th September 2016) Authors: Simonsson, Maria; Björner, Sofie; Markkula, Andrea; Nodin, Björn; Jirström, Karin; Rose, Carsten; Borgquist, Signe; Ingvar, Christian; Jernström, Helena Journal: International journal of cancer Issue: Volume 140:Issue 1(2017:Jan. 01) Page Start: 163 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗