Validation of self-report pain scales in children. Pediatrics
Clinically significant differences in acute pain measured on self-report pain scales in children
Outcome Measures for Pediatric Pain: Practical Guidance on Clinical Use in Juvenile Arthritis
Evaluation of reliability, validity, and preference for a pediatric pain intensity scale: the Catalan version of the faces pain scale--revised.
https://pubmed.ncbi.nlm.nih.gov/15327809/Postoperative pain intensity assessment: a comparison of four scales in Chinese adults
https://pubmed.ncbi.nlm.nih.gov/17371409/Qualitative Assessment of Face Validity and Cross-Cultural Acceptability of the Faces Pain Scale: "Revised" in Cameroon
https://pubmed.ncbi.nlm.nih.gov/29571279/