TY - RPRT TI - Feedback in behavior modification: an experimental analysis in two phobic cases. AU - H Leitenberg AU - W S Agras AU - L E Thompson AU - D E Wright PY - 1968 DO - 10.1901/jaba.1968.1-131 UR - https://pubmed.ncbi.nlm.nih.gov/16795169/ ID - 16795169 ER -