María Martínez-Andrés, Úrsula García-López, Myriam Gutiérrez-Zornoza, Beatriz Rodríguez-Martín, María J Pardo-Guijarro, Mairena Sánchez-López, Eugenio Cortés-Ramírez and Vicente Martínez-Vizcaíno*
* Corresponding author: Vicente Martínez-Vizcaíno Vicente.Martinez@uclm.es
BMC Public Health 2012, 12:785 doi:10.1186/1471-2458-12-785
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