title: The clinical and sociologic importance of stimulating infants and young children.
mesh_terms: D002675:Child, Preschool; D003423:Critical Period, Psychological; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000517:prevention & control*; D012959:Socioeconomic Factors; D012960:Socioenvironmental Therapy; D014505:Urban Population