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Favor A, Frazier OH, Cooley DA, Okereke OU, Radovancevic B, Powers P, Chandler L.Favor A, et al. Among authors: okereke ou.Tex Heart Inst J. 1985 Jun;12(2):153-6.Tex Heart Inst J. 1985.PMID: 15227024Free PMC article.