Gestational vitamin D concentration and child cognitive development: a longitudinal cohort study in the Environmental influences on Child Health Outcomes Program.

Melough MM, McGrath M, Palmore M, Collett BR, Kerver JM, Hockett CW, Schmidt RJ, Kelly RS, Lyall K, Zhao Q, Hipwell AE, Korrick SA, Gilbert-Diamond D, Weiss ST, Chu SH, Mirzakhani H, Porter JM, Sathyanarayana S, ECHO Cohort Consortium