title: Chronic thumb-sucking: the psychologic effects and the relative effectiveness of various methods of treatment.
mesh_terms: D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005386:Fingersucking / Q000523:psychology* / Q000628:therapy; D005500:Follow-Up Studies; D006801:Humans; D009967:Orthodontic Appliances; D011897:Random Allocation; D012054:Reinforcement, Psychology