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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1949 1
1956 1
1958 2
1962 1
1963 1
1964 1
1970 1
1971 1
1975 1
1976 2
1978 1
1981 1
1990 2
1991 2
1997 1
1998 2
2006 1
2021 0
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22 results
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Page 1
Recognition of a new Branhamella catarrhalis beta-lactamase--BRO-3.
Christensen JJ, Keiding J, Schumacher H, Bruun B. Christensen JJ, et al. Among authors: keiding j. J Antimicrob Chemother. 1991 Nov;28(5):774-5. doi: 10.1093/jac/28.5.774. J Antimicrob Chemother. 1991. PMID: 1778881 No abstract available.
Possible reversal of resistance.
Keiding J. Keiding J. Bull World Health Organ. 1963;29 Suppl(Suppl):51-62. Bull World Health Organ. 1963. PMID: 20604176 Free PMC article.
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