1. Validity and reproducibility of a food frequency questionnaire to assess dietary intake of women living in Mexico City

Mauricio Hernández-Avila, MD, DSc., Isabelle Romieu, MD, DSc., Socorro Parra, MSc., Juan Hernández-Avila, MSc., Herlinda Madrigal, Lic., Walter Willett, MD, DPh. Validity and reproducibility of a food frequency questionnaire to assess dietary intake of women living in Mexico City. Salud Pública Méx. 1998; 40(2):133-40. DOI: 10.1590/s0036-36341998000200005. Grupo III.