Cohort profile: project viva.
Oken E, Baccarelli AA, Gold DR, Kleinman KP, Litonjua AA, De Meo D, Rich-Edwards JW, Rifas-Shiman SL, Sagiv S, Taveras EM, Weiss ST, Belfort MB, Burris HH, Camargo CA, Huh SY, Mantzoros C, Parker MG, Gillman MW. Cohort profile: project viva. Int J Epidemiol. 2015 Feb; 44(1):37-48.