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Zago MA, Costa FF.Zago MA, et al. Among authors: costa ff.Hemoglobin. 1988;12(4):399-403. doi: 10.3109/03630268808998040.Hemoglobin. 1988.PMID: 3170242No abstract available.
Saad ST, Costa FF.Saad ST, et al. Among authors: costa ff.Rev Assoc Med Bras (1992). 1994 Jul-Sep;40(3):216-24.Rev Assoc Med Bras (1992). 1994.PMID: 7787875Review.Portuguese.No abstract available.