TY - RPRT TI - ERP differences among subtypes of pervasive developmental disorders. AU - C Kemner AU - R J van der Gaag AU - M Verbaten AU - H van Engeland PY - 1999 DO - 10.1016/s0006-3223(99)00003-7 UR - https://pubmed.ncbi.nlm.nih.gov/10494446/ ID - 10494446 ER -