TY - RPRT TI - Down's syndrome: intellectual and behavioural functioning during adulthood. AU - M E Fenner AU - K E Hewitt AU - D M Torpy PY - 1987 DO - 10.1111/j.1365-2788.1987.tb01367.x UR - https://pubmed.ncbi.nlm.nih.gov/2960815/ ID - 2960815 ER -