TY - RPRT TI - Hyperactivity: prevalence and relationship with conduct disorder. AU - P McArdle AU - G O'Brien AU - I Kolvin PY - 1995 DO - 10.1111/j.1469-7610.1995.tb01825.x UR - https://pubmed.ncbi.nlm.nih.gov/7759591/ ID - 7759591 ER -