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Hirayama R, Sawai S, Takagi Y, Mishima Y, Kimura N, Shimada N, Esaki Y, Kurashima C, Utsuyama M, Hirokawa K.Hirayama R, et al. Among authors: sawai s.J Natl Cancer Inst. 1991 Sep 4;83(17):1249-50. doi: 10.1093/jnci/83.17.1249.J Natl Cancer Inst. 1991.PMID: 1651398No abstract available.
Kunieda K, Hatoh T, Saji S, Sakata K, Takamura A, Mutoh Y, Yamamoto A, Katoh H, Sawai S, Shimokawa K.Kunieda K, et al. Among authors: sawai s.Gan No Rinsho. 1987 Dec;33(15):1923-8.Gan No Rinsho. 1987.PMID: 2828711Japanese.