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Thelma Beatriz González-Castro, Carlos Tovilla-Zárate*, Isela Juárez-Rojop, Sherezada Pool García, Martha Patricia Velázquez-Sánchez, Alma Genis, Humberto Nicolini and Lilia López Narváez
* Corresponding author: Carlos Tovilla-Zárate alfonso_tovillaz@yahoo.com.mx
BMC Psychiatry 2013, 13:25 doi:10.1186/1471-244X-13-25
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