Esophageal cancer risk by type of alcohol drinking and smoking: a case-control study in Spain by Porta Miquel, Bolumar Francisco, Barber Xavier, Vioque Jesus, Santibáñez Miguel, de la Hera Manuela, Moreno-Osset Eduardo

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Reproducibility and validity of a food frequency questionnaire among pregnant women in a Mediterranean area by Vioque Jesús, Navarrete-Muñoz Eva-María, Gimenez-Monzó Daniel, García-de-la-Hera Manuela, Granado Fernando, Young Ian S, Ramón Rosa, Ballester Ferran, Murcia Mario, Rebagliato Marisa, Iñiguez Carmen

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