Frenk, J., Gómez-Dantés, O., Cruz, C., Chacón, F., Hernández, P., & Freeman, P. (1994). Consequences of the North American Free Trade Agreement for health services: A perspective from Mexico.

Frenk, J., O. Gómez-Dantés, C. Cruz, F. Chacón, P. Hernández, and P. Freeman. Consequences of the North American Free Trade Agreement for Health Services: A Perspective From Mexico. 1994.

Frenk, J., et al. Consequences of the North American Free Trade Agreement for Health Services: A Perspective From Mexico. 1994.