APA Citation

Liu, J., Qu, B., Ezeakile, M. C., & Zhang, Y. (2012). Factors Associated with Unprotected Anal Intercourse among Men Who Have Sex with Men in Liaoning Province, China. Public Library of Science.

Citação norma Chicago

Liu, Jie, Bo Qu, Moses C. Ezeakile, and Yang Zhang. Factors Associated With Unprotected Anal Intercourse Among Men Who Have Sex With Men in Liaoning Province, China. Public Library of Science, 2012.

MLA Citation

Liu, Jie, Bo Qu, Moses C. Ezeakile, and Yang Zhang. Factors Associated With Unprotected Anal Intercourse Among Men Who Have Sex With Men in Liaoning Province, China. Public Library of Science, 2012.

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