Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TANAKA Tokumitsu and KOBAYASHI Akio and IKEMURA Kengo and HASHIMOTO Hajime and MITSUHASHI Susumu,Drug Resistance and Distribution of R Factors among Escherichia coli Strains,Japanese Journal of Microbiology,00215139,Center For Academic Publications Japan,1974,18,5,343-347,https://cir.nii.ac.jp/crid/1390001206320267392,https://doi.org/10.1111/j.1348-0421.1974.tb00820.x