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Validity and reliability of a new food frequency questionnaire compared to 24 h recalls and biochemical measurements: pilot phase of Golestan cohort study of esophageal cancer

NutritionNutritional EpidemiologyCancer EpidemiologyDietary ExposureEsophageal CancerGolestan Cohort StudyPilot PhasePublic HealthFood QualityOncologyEpidemiologyFood SafetyHealth Sciences