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Journal of Biochemistry|January 1, 1992
Dihydrofolate reductase gene as a versatile expression markerM Iwakura, T Tanaka
The Tokai Journal of Experimental and Clinical Medicine|December 1, 1991
Seroepidemiology of anti-Entamoeba histolytica antibody by enzyme-linked immunosorbent assay in the greater Tokyo areaT Tanaka, Y Kaneda
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