Validation of the Wong‐Baker FACES Pain Rating Scale in Pediatric Emergency Department Patients - Garra - 2010 - Academic Emergency Medicine - Wiley Online Library
Use of Pain Rating Scales in Wound Management | WoundEducators.com
History of the Wong-Baker FACES® Pain Rating Scale | Wong-Baker FACES® Foundation
Faces Pain Scale - an overview | ScienceDirect Topics
Pain Assessment | A New Nurse
Fancy Faces: Improved Pain Chart? - October 30, 2010