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Mayordomo JI, Rivera F, Díaz-Puente MT, Lianes P, Colomer R, López-Brea M, López E, Paz-Ares L, Hitt R, García-Ribas I, et al.Mayordomo JI, et al.J Natl Cancer Inst. 1995 Jun 7;87(11):803-8. doi: 10.1093/jnci/87.11.803.J Natl Cancer Inst. 1995.PMID: 7540696Clinical Trial.