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Restriction endonuclease analysis of EcoRI-generated DNA digest patterns of Enteric Group 137. Lane M, 1-kb DNA molecular weight ladder (Gibco BRL); lane 1, first urine isolate, strain 2; lane 2, second urine isolate, strain 2; lane 3, sputum isolate, strain 1; lane 4, sputum isolate, strain 3; lane 5, urine isolate, strain 4; lane 6, wound isolate, strain 5.
