Chacón Ortiz, M., Barrantes Jiménez, K., Achí Araya, M. R., Comerfold, M., & McCoy, C. B. (2014). Sex practices and knowledge about HIV/AIDS among drug users in a low-income urban community of Costa Rica.

Chacón Ortiz, Manuel, Kenia Barrantes Jiménez, María Rosario Achí Araya, Mary Comerfold, y Clyde B. McCoy. Sex Practices and Knowledge About HIV/AIDS Among Drug Users in a Low-income Urban Community of Costa Rica. 2014.

Chacón Ortiz, Manuel, et al. Sex Practices and Knowledge About HIV/AIDS Among Drug Users in a Low-income Urban Community of Costa Rica. 2014.