[Trial formulation of a mental development testing scale for infants 0 to 3 years using combined longitudinal and sectional studies].
D002657:Child Development; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D006801:Humans; D007223:Infant; D008137:Longitudinal Studies; D008609:Mental Status Schedule; D011569:Psychiatric Status Rating Scales