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Wertheim I, Muto MG, Welch WR, Bell DA, Berkowitz RS, Mok SC.Wertheim I, et al. Among authors: berkowitz rs.J Natl Cancer Inst. 1994 Oct 19;86(20):1549-51. doi: 10.1093/jnci/86.20.1549.J Natl Cancer Inst. 1994.PMID: 7932812No abstract available.