Fig. 1From: Quality control and external quality assessment for the independent clinic-based evaluation of point-of-care testing to detect Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis in eight countriesPoster on testing quality control samples provided to participants in this study (Used with permission. Copyright© Flinders University International Centre for Point-of-Care Testing, 2018)Back to article page