This is a qualitative evaluation of a training program in Washington that waivered physicians to prescribe buprenorphine. Several physicians were interviewed following the program to identify the different barriers to prescribing.
Hutchinson, E., Catlin, M., Andrilla, C. H. A., Baldwin, L.-M., & Rosenblatt, R. A. (2014). Barriers to Primary Care Physicians Prescribing Buprenorphine. The Annals of Family Medicine, 12(2), 128–133.