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Sundar S, Pai K, Kumar R, Pathak-Tripathi K, Gam AA, Ray M, Kenney RT.Sundar S, et al. Among authors: kumar r.Am J Trop Med Hyg. 2001 Sep;65(3):193-6. doi: 10.4269/ajtmh.2001.65.193.Am J Trop Med Hyg. 2001.PMID: 11561703