TY - RPRT TI - Background characteristics of aggressive, hyperactive, and aggressive-hyperactive boys. AU - R McGee AU - S Williams AU - P A Silva PY - 1984 DO - 10.1016/s0002-7138(09)60503-3 UR - https://pubmed.ncbi.nlm.nih.gov/6736492/ ID - 6736492 ER -