Rolland, S., L. Antonova, J. Powis, T. Murdoch, D. Wong, and P. James MD, MSc, FRCPC. “Acute Hepatitis B Co-Infection in HIV-Infected Patients Despite Prior Hepatitis B Vaccination”. Canadian Journal of General Internal Medicine, vol. 11, no. 4, Feb. 2017, doi:10.22374/cjgim.v11i4.188.