title: Operation communication.
mesh_terms: D002675:Child, Preschool; D003142:Communication; D004644:Emotions; D005260:Female; D006801:Humans; D008297:Male; D009034:Mother-Child Relations; D010333:Paternal Deprivation; D011602:Psychophysiologic Disorders / Q000628:therapy*; D012918:Social Alienation