title: Handicapped children in preschool playgroups.
mesh_terms: D002675:Child, Preschool; D006233:Persons with Disabilities; D004519:Education, Special; D006801:Humans; D007100:Imitative Behavior; D008607:Intellectual Disability / Q000534:rehabilitation; D007398:Interpersonal Relations; D009034:Mother-Child Relations; D010988:Play and Playthings; D012934:Social Isolation