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[Health policy polarization in Mexico].
López-Arellano O, Blanco-Gil J. López-Arellano O, et al. Among authors: blanco gil j. Cad Saude Publica. 2001 Jan-Feb;17(1):43-54. doi: 10.1590/s0102-311x2001000100004. Cad Saude Publica. 2001. PMID: 11241926 Free article. Spanish.