title: Severe deprivation in twins: a case study.
mesh_terms: D002648:Child; D002657:Child Development; D002668:Child Rearing; D002675:Child, Preschool; D004200:Diseases in Twins; D004495:Education of Persons with Intellectual Disabilities; D004522:Educational Status; D005191:Family Characteristics; D005219:Father-Child Relations; D005260:Female; D005555:Forensic Psychiatry; D005581:Foster Home Care; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000209:etiology*; D007360:Intelligence; D008297:Male; D008426:Maternal Deprivation; D009034:Mother-Child Relations; D010809:Physical Fitness; D010988:Play and Playthings; D011247:Pregnancy; D011581:Psychological Tests; D011610:Psychosocial Deprivation; D014427:Twins; D014705:Verbal Behavior