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| Izcara Palacios, Simón Pedro and Andrade Rubio, Karla Lorena Problemas de salud de los jornaleros tamaulipecos empleados con visas H-2A en Estados UnidosHealth problems of tamaulipas's farm workers employed with H-2A visas in the United States. Mundo agr., Jun 2011, vol.11, no.22, p.00-00. ISSN 1515-5994
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