Kendall CE, Wong J, Taljaard M, Glazier RH, Hogg W, Younger J, et al. A cross-sectional, population-based study of HIV physicians and outpatient health care use by people with HIV in Ontario. BMC Health Services Research. 2015;15:63.

https://bmchealthservres.biomedcentral.com/articles/10.1186/s12913-015-0723-5