Prenatal vitamin intake in first month of pregnancy and DNA methylation in cord blood and placenta in two prospective cohorts. - Dou JF; Middleton LYM; Zhu Y; Benke KS; Feinberg JI; Croen LA; Hertz-Picciotto I; Newschaffer CJ; LaSalle JM; Fallin D; Schmidt RJ; Bakulski KM (Epigenetics & chromatin, 2022)