OTTAWA, Ontario, March 17 -- CMAJ Open, a peer-reviewed journal from the Canadian Medical Association, published research articles on the following topics in its March 2023 edition:

Research:

* Variation in opioid filling after same-day breast surgery in Ontario, Canada: a population-based cohort study

* Telemedicine perceptions and experiences of socially vulnerable households during the early stages of the COVID-19 pandemic: a qualitative study