Hong Kong Journal of Paediatrics [HK J Paediatr (New Series) 2011;16:247-252]
Comparison of perceived pain and patients' satisfaction with traditional local anesthesia and single tooth anesthesia: A randomized clinical trial
History of the Wong-Baker FACES® Pain Rating Scale | Wong-Baker FACES® Foundation
UPMC Central Pa. - Emojis started with healthcare (Wong-Baker FACES Pain Rating Scale). What emoji would you add to the pain scale? Post your answer in the comments below! #WorldEmojiDay | Facebook