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Gusberg SB, Milano C.Gusberg SB, et al.Cancer. 1981 Mar 1;47(5 Suppl):1173-5. doi: 10.1002/1097-0142(19810301)47:5+<1173::aid-cncr2820471320>3.0.co;2-8.Cancer. 1981.PMID: 7237374