TY - RPRT TI - Conduct disorder and cognitive functioning: testing three causal hypotheses. AU - I S Schonfeld AU - D Shaffer AU - P O'Connor AU - S Portnoy PY - 1988 DO - 10.1111/j.1467-8624.1988.tb03252.x UR - https://pubmed.ncbi.nlm.nih.gov/3168633/ ID - 3168633 ER -