TY - RPRT TI - Developmental and degenerative patterns associated with cognitive, behavioural and motor difficulties in the Sanfilippo syndrome: an epidemiological study. AU - F D Nidiffer AU - T E Kelly PY - 1983 DO - 10.1111/j.1365-2788.1983.tb00291.x UR - https://pubmed.ncbi.nlm.nih.gov/6415286/ ID - 6415286 ER -