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Cho CM, Tak WY, Kweon YO, Kim SK, Choi YH, Kong HH, Chung DI.Cho CM, et al. Among authors: chung di.Korean J Parasitol. 2003 Jun;41(2):117-20. doi: 10.3347/kjp.2003.41.2.117.Korean J Parasitol. 2003.PMID: 12815324Free PMC article.