Sewell, B., Davies, E., Jones, M., Phillips, C., & Rance, J. (2021). Examining opioid prescribing trends for non-cancer pain using an estimated oral morphine equivalence measure: A retrospective cohort study between 2005 and 2015. BJGP Open, 5(1), p. bjgpopen20X101122. doi:10.3399/bjgpopen20x101122

Sewell, Berni, Emma Davies, Mari Jones, Ceri Phillips, and Jaynie Rance. "Examining Opioid Prescribing Trends for Non-cancer Pain Using an Estimated Oral Morphine Equivalence Measure: A Retrospective Cohort Study between 2005 and 2015." BJGP Open 5, no. 1 (2021): bjgpopen20X101122.

Sewell, Berni, et al. "Examining Opioid Prescribing Trends for Non-cancer Pain Using an Estimated Oral Morphine Equivalence Measure: A Retrospective Cohort Study between 2005 and 2015." BJGP Open 5.1 (2021): bjgpopen20X101122.