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APA Citation
Olesen, T. B., Munk, C., Christensen, J., Andersen, K. K., & Kjaer, S. K. (2014). human papillomavirus prevalence among men in sub-Saharan Africa: a systematic review and meta-analysis. Sexually transmitted infections, 90, 455–462. http://access.bl.uk/ark:/81055/vdc_100135135645.0x00000c