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9. Iron and folic acid deficiency during pregnancy in western Venezuela. Diez-Ewald M, Molina RA. Am J Trop Med Hyg; 1972 Sep; 21(5):587-91. PubMed ID: 5075668 [No Abstract] [Full Text] [Related]
10. Folate and vitamin B12 deficiency among parturients from Porto Alegre, Brazil. Giugliani ER, Jorge SM, Gonçalves AL. Rev Invest Clin; 1984 Sep; 36(2):133-6. PubMed ID: 6484331 [No Abstract] [Full Text] [Related]