We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLow maternal free thyroxine concentrations during early pregnancy are associated with impaired psychomotor development in infancy.AuthorsPop VJ; Kuijpens JL; van Baar AL; Verkerk G; van Son MM; de Vijlder JJ; Vulsma T; Wiersinga WM; Drexhage HA; Vader HLPublicationClinical endocrinology, 1999, Vol 50, Issue 2, p149ISSN0300-0664Publication typearticleDOI10.1046/j.1365-2265.1999.00639.x