TY - RPRT TI - Therapists' physiological activation and patient difficulty. AU - J Busk AU - D H Naftulin AU - F A Donnelly AU - G H Wolkon PY - 1976 DO - 10.1097/00005053-197608000-00001 UR - https://pubmed.ncbi.nlm.nih.gov/956798/ ID - 956798 ER -