title: Rationale and experience with visual analogue toys.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003142:Communication; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain / Q000175:diagnosis*; D010988:Play and Playthings; D002666:Psychology, Child