TY - RPRT TI - Classical analytical methods for detecting matching effects on treatment outcome. AU - P W Wirtz AU - J P Carbonari AU - L R Muenz AU - R L Stout AU - J S Tonigan AU - G J Connors PY - 1994 DO - 10.15288/jsas.1994.s12.76 UR - https://pubmed.ncbi.nlm.nih.gov/7723002/ ID - 7723002 ER -