APA-referens

Xu, J., Zhang, M., Brown, K., Reilly, K., Wang, H., Hu, Q., . . . Shang, H. (2010). Syphilis and HIV Seroconversion Among a 12-Month Prospective Cohort of Men Who Have Sex With Men in Shenyang, China. Sex Transm Dis.

Chicago-stil citat

Xu, Jun-Jie, et al. "Syphilis and HIV Seroconversion Among a 12-Month Prospective Cohort of Men Who Have Sex With Men in Shenyang, China." Sex Transm Dis 2010.

MLA-referens

Xu, Jun-Jie, et al. "Syphilis and HIV Seroconversion Among a 12-Month Prospective Cohort of Men Who Have Sex With Men in Shenyang, China." Sex Transm Dis 2010.

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