Prolongation of the sucking habit as a result of emotional disturbances. A comparative study of groups of children with and without prolonged sucking habits, with reference to personality traits and to emotionally disturbing or prohibitive factors in the environment.
D000342:Affective Symptoms; D002675:Child, Preschool; D004777:Environment; D006801:Humans; D010551:Personality; D012917:Social Adjustment; D013391:Sucking Behavior; D011795:Surveys and Questionnaires