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Matsuzawa A, Yamamoto T.Matsuzawa A, et al.J Natl Cancer Inst. 1977 Apr;58(4):1087-91. doi: 10.1093/jnci/58.4.1087.J Natl Cancer Inst. 1977.PMID: 845979
Matsuzawa A, Yamamoto T.Matsuzawa A, et al.Eur J Cancer Clin Oncol. 1982 May;18(5):495-505. doi: 10.1016/0277-5379(82)90119-5.Eur J Cancer Clin Oncol. 1982.PMID: 6811279
Matsuzawa A, Ya MAMOTO T, Suzuki K.Matsuzawa A, et al.J Natl Cancer Inst. 1974 Feb;52(2):449-56.J Natl Cancer Inst. 1974.PMID: 4856155No abstract available.