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    • Lozoff, Betsy; Jimenez, Elias; Wolf, Abraham W.; Angelilli, Mary Lu; Zatakia, Jigna; Jacobson, Sandra W.; Kaciroti, Niko; Clark, Katy M.; Tao, Min; Castillo, Marcela; Walter, Tomas; Pino, Paulina (2009)
      Objective: To determine whether longer breastfeeding is associated with higher infant lead concentrations. Study design: Data were analyzed from 3 studies of developmental effects of iron deficiency in infancy: Costa Rica ...