Totti, H.K. da S.B., Zimmermmann, J.B., Pena, D.M.F., Pereira, M.P., Bittencourt, C. and Coutinho, T. 2010. Frequency of iron deficiency anemia and values of normal for hemoglobin in pregnant women. HU Revista. 35, 4 (Apr. 2010).