Burchell AN, Grewal R, Allen VG, Gardner SL, Moravan V, Bayoumi AM, et al. Modest rise in chlamydia and gonorrhoea testing did not increase case detection in a clinical HIV cohort in Ontario, Canada. Sexually Transmitted Infections. 2014;90(8):608-14.

• Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4251188/