{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T19:11:46Z","timestamp":1791141106664,"version":"4.1.0"},"reference-count":19,"publisher":"American Society for Microbiology","issue":"8","license":[{"start":{"date-parts":[[2004,8,1]],"date-time":"2004-08-01T00:00:00Z","timestamp":1091318400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2004,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Of 72 blood isolates of\n            <jats:italic>Enterobacter<\/jats:italic>\n            spp. collected over an 8-year period, 50% (36 of 72) were derepressed or partially derepressed AmpC mutants. The extended-spectrum \u03b2-lactamase (ESBL) production rate was 43% (31 of 72 isolates), and 67.3% (31 of 46) of extended-spectrum cephalosporin-resistant strains produced ESBLs. Thus, a confirmatory test for ESBL production is necessary for extended-spectrum cephalosporin-resistant\n            <jats:italic>Enterobacter<\/jats:italic>\n            spp.\n          <\/jats:p>","DOI":"10.1128\/aac.48.8.3159-3161.2004","type":"journal-article","created":{"date-parts":[[2004,7,23]],"date-time":"2004-07-23T18:45:20Z","timestamp":1090608320000},"page":"3159-3161","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":33,"title":["High Prevalence of Extended-Spectrum \u03b2-Lactamase-Producing Strains among Blood Isolates of\n            <i>Enterobacter<\/i>\n            spp. Collected in a Tertiary Hospital during an 8-Year Period and Their Antimicrobial Susceptibility Patterns"],"prefix":"10.1128","volume":"48","author":[{"given":"Hyunjoo","family":"Pai","sequence":"first","affiliation":[{"name":"Division of Infectious Diseases, Hanyang University College of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jung Yun","family":"Hong","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeong-Hum","family":"Byeon","sequence":"additional","affiliation":[{"name":"Division of Infectious Diseases, Hanyang University College of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yun-Kyung","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hoan-Jong","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.40.4.1237-1243.2002"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/j.1460-2075.1994.tb06792.x"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1128\/jcm.34.4.908-911.1996"},{"key":"e_1_3_2_5_2","first-page":"1526","year":"1999","unstructured":"Jorgensen, J. 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