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Pratt CB, George SL, Green AA, Fields LA, Dodge RK.Pratt CB, et al. Among authors: george sl.Cancer. 1988 Mar 1;61(5):1046-50. doi: 10.1002/1097-0142(19880301)61:5<1046::aid-cncr2820610532>3.0.co;2-y.Cancer. 1988.PMID: 3338049
Schwartzbaum JA, George SL, Pratt CB, Davis B.Schwartzbaum JA, et al. Among authors: george sl.Med Pediatr Oncol. 1991;19(2):115-21. doi: 10.1002/mpo.2950190209.Med Pediatr Oncol. 1991.PMID: 1849220
Pratt CB, Hustu HO, Kumar AP, Johnson WW, Ransom JL, Howarth CB, George SL.Pratt CB, et al. Among authors: george sl.Natl Cancer Inst Monogr. 1981 Apr;(56):93-101.Natl Cancer Inst Monogr. 1981.PMID: 7029301Clinical Trial.