Ayala, G. X., Vaz, L., Earp, J. A., Elder, J. P., & Cherrington, A. (2010). Outcome effectiveness of the lay health advisor model among Latinos in the United States: An examination by role. Oxford University Press.

Ayala, Guadalupe X., Lara Vaz, Jo Anne Earp, John P. Elder, e Andrea Cherrington. Outcome Effectiveness of the Lay Health Advisor Model Among Latinos in the United States: An Examination By Role. Oxford University Press, 2010.

Ayala, Guadalupe X., et al. Outcome Effectiveness of the Lay Health Advisor Model Among Latinos in the United States: An Examination By Role. Oxford University Press, 2010.