GUILLERMO MOLINA RECIORAFAEL MORENO ROJAS2026-01-292026-01-29201710.20960/nh.10632-s2.0-85042012647https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/28896Medicine (miscellaneous)Nutrition and DieteticsMedicine (miscellaneous)Nutrition and DieteticsValidation of a food frequency questionnaire for the indigenous Épera-siapidara people in Ecuador; [Validación de un cuestionario de frecuencia de consumo de alimentos para indígenas épera-siapidara en Ecuador]research article