Canadian Journal of Surgery. 58(4 Suppl 2):S238, AUGUST 2015 Issn Print: 0008-428X Publication Date: August 2015 Print 44 Preoperative pregabalin or gabapentin for postoperative acute and chronic pain among patients undergoing breast cancer surgery: a systematic review and meta-analysis of randomized controlled trials A.S. Rai;H. Clarke;J. Dhaliwal;S. Choi;J.W. Busse;P.J. Devereaux;J. Khan; + Author Information From the University of Toronto, Toronto, Ontario, and McMaster University, Hamilton, Ont. Checking for direct PDF access through Ovid Abstract Abstract unavailable for this article.