title: Criteria for use in describing facial expressions of children.
mesh_terms: D002610:Cheek; D002675:Child, Preschool; D002680:Chin; D005138:Eyebrows; D005145:Face / Q000033:anatomy & histology; D005149:Facial Expression; D005152:Facial Muscles / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D008046:Lip; D008297:Male; D008722:Methods; D009055:Mouth; D014059:Tongue; D014070:Tooth