J. Klassen

Music for pain and anxiety in children undergoing medical procedures: a systematic review of randomized controlled trials.

Lisa Hartling, Lisa Tjosvold, Yuanyuan Liang, 2008, Ambulatory pediatrics : the official journal of the Ambulatory Pediatric Association.

A descriptive analysis of child-relevant systematic reviews in the Cochrane Database of Systematic Reviews

D. Moher, L. Hartling, L. Tjosvold, 2010, BMC pediatrics.