Shibukawa, A. F.; Silva, E. M. K. da; Ichiki, W. A.; Strufaldi, M. W. L.; Puccini, R. F. Prophylaxis for Iron Defi Ciency Anemia Using Ferrous Sulfate Among Infants Followed up at a Primary Healthcare Unit in the Municipality of Embu-SP (2003/2004). Sao Paulo Med J 2008, 126, 96-101.