| Literature DB >> 19180315 |
Laura Magaña-Valladares1, Gustavo Nigenda-López, Nidia Sosa-Delgado, José Arturo Ruiz-Larios.
Abstract
Entities:
Mesh:
Year: 2009 PMID: 19180315 DOI: 10.1590/s0036-36342009000100012
Source DB: PubMed Journal: Salud Publica Mex ISSN: 0036-3634