@misc{indiciaed71bd22d87b1, title = {Feedback in behavior modification: an experimental analysis in two phobic cases.}, author = {H Leitenberg and W S Agras and L E Thompson and D E Wright}, year = {1968}, doi = {10.1901/jaba.1968.1-131}, url = {https://pubmed.ncbi.nlm.nih.gov/16795169/}, note = {Source identifier: 16795169} }