TY - RPRT TI - Behavioral problems and severity of tics. AU - L A Rosenberg AU - J Brown AU - H S Singer PY - 1995 DO - 10.1002/1097-4679(199511)51:6<760::aid-jclp2270510606>3.0.co;2-s UR - https://pubmed.ncbi.nlm.nih.gov/8778123/ ID - 8778123 ER -