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Córdova FA, Monserrate JR, Ramírez EA, Reyes FM.Córdova FA, et al. Among authors: ramirez ea.Bol Asoc Med P R. 1969 Jan;61(1):9-16.Bol Asoc Med P R. 1969.PMID: 5253313No abstract available.
Córdova FA, Ramírez EA.Córdova FA, et al. Among authors: ramirez ea.Bol Asoc Med P R. 1969 Mar;61(3):99-103.Bol Asoc Med P R. 1969.PMID: 5257360No abstract available.
Cintrón G, Rivera del Río JR, Aranda JM, Hernández-López E, Linares E, Ramírez EA.Cintrón G, et al. Among authors: ramirez ea.Bol Asoc Med P R. 1983 Feb;75(2):73-4.Bol Asoc Med P R. 1983.PMID: 6347216No abstract available.
Ramírez EA, García Pont PH, Alvarado Norat F.Ramírez EA, et al.Bol Asoc Med P R. 1972 Apr;64(4):64-73.Bol Asoc Med P R. 1972.PMID: 4591451Clinical Trial.No abstract available.
Linares-Rivera E, Ramírez EA, Pereyó JA.Linares-Rivera E, et al. Among authors: ramirez ea.Bol Asoc Med P R. 1976 May;68(5):97-101.Bol Asoc Med P R. 1976.PMID: 1064427No abstract available.
RAMIREZ EA, ALVARADO F, GARCIAPONT PH.RAMIREZ EA, et al.Bol Asoc Med P R. 1964 Jul;56:245-53.Bol Asoc Med P R. 1964.PMID: 14189665No abstract available.