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Items: 1 to 50 of 89

1.

Educational intervention for parents and healthcare providers leads to reduced antibiotic use in acute otitis media.

Småbrekke L, Berild D, Giaever A, Myrbakk T, Fuskevåg A, Ericson JU, Flaegstad T, Olsvik O, Ringertz SH.

Scand J Infect Dis. 2002;34(9):657-9.

PMID:
12374355
2.
3.

Molecular characterization of Corynebacterium diphtheriae isolates, Russia, 1957-1987.

Skogen V, Cherkasova VV, Maksimova N, Marston CK, Sjursen H, Reeves MW, Olsvik Ø, Popovic T.

Emerg Infect Dis. 2002 May;8(5):516-8.

4.

Rapid detection of the methicillin-resistance gene, mecA, in coagulase-negative Staphylococci.

Glad T, Klingenberg C, Flaegstad T, Ericson JU, Olsvik O.

Scand J Infect Dis. 2001;33(7):502-6.

PMID:
11515759
5.
6.

Continuing high prevalence of VanA-type vancomycin-resistant enterococci on Norwegian poultry farms three years after avoparcin was banned.

Borgen K, Simonsen GS, Sundsfjord A, Wasteson Y, Olsvik O, Kruse H.

J Appl Microbiol. 2000 Sep;89(3):478-85.

7.

Typeability of Tn1546-like elements in vancomycin-resistant enterococci using long-range PCRs and specific analysis of polymorphic regions.

Simonsen GS, Myhre MR, Dahl KH, Olsvik O, Sundsfjord A.

Microb Drug Resist. 2000 Spring;6(1):49-57.

PMID:
10868807
8.

Genetic linkage of the vanB2 gene cluster to Tn5382 in vancomycin-resistant enterococci and characterization of two novel insertion sequences.

Dahl KH, Lundblad EW, Rokenes TP, Olsvik O, Sundsfjord A.

Microbiology. 2000 Jun;146 ( Pt 6):1469-79.

PMID:
10846225
9.

[Antibiotic treatment of acute otitis in children].

Myrbakk T, Giaever A, Olsvik O, Flaegstad T.

Tidsskr Nor Laegeforen. 1999 Aug 10;119(18):2649-52. Norwegian.

PMID:
10479977
10.

Comparison of thymidine kinase and A-type inclusion protein gene sequences from Norwegian and Swedish cowpox virus isolates.

Hansen H, Sandvik T, Tryland M, Olsvik O, Traavik T.

APMIS. 1999 Jul;107(7):667-75.

PMID:
10440063
11.

Heterogeneity in the vanB gene cluster of genomically diverse clinical strains of vancomycin-resistant enterococci.

Dahl KH, Simonsen GS, Olsvik O, Sundsfjord A.

Antimicrob Agents Chemother. 1999 May;43(5):1105-10.

12.
13.

Low faecal carrier rate of vancomycin resistant enterococci in Norwegian hospital patients.

Simonsen GS, Andersen BM, Digranes A, Harthug S, Jacobsen T, Lingaas E, Natås OB, Olsvik O, Ringertz SH, Skulberg A, Syversen G, Sundsfjord A.

Scand J Infect Dis. 1998;30(5):465-8.

PMID:
10066045
14.

Transmission of VanA-type vancomycin-resistant enterococci and vanA resistance elements between chicken and humans at avoparcin-exposed farms.

Simonsen GS, Haaheim H, Dahl KH, Kruse H, Løvseth A, Olsvik O, Sundsfjord A.

Microb Drug Resist. 1998 Winter;4(4):313-8.

PMID:
9988050
15.

Detection of a streptomycin/spectinomycin adenylyltransferase gene (aadA) in Enterococcus faecalis.

Clark NC, Olsvik O, Swenson JM, Spiegel CA, Tenover FC.

Antimicrob Agents Chemother. 1999 Jan;43(1):157-60.

16.

[Infections caused by multiresistant enterococci in Norway].

Harthug S, Langeland N, Digranes A, Simonsen GS, Olsvik O, Sundsfjord A, Natås OB, Haarr E, Gaustad P, Høiby EA, Svarva PL.

Tidsskr Nor Laegeforen. 1998 Oct 30;118(26):4070-3. Review. Norwegian.

PMID:
9844510
17.

Characteristics of four cowpox virus isolates from Norway and Sweden.

Tryland M, Sandvik T, Hansen H, Haukenes G, Holtet L, Bennett M, Mehl R, Moens U, Olsvik O, Traavik T.

APMIS. 1998 Jun;106(6):623-35.

PMID:
9725795
18.

Antibodies to orthopoxvirus in domestic cats in Norway.

Tryland M, Sandvik T, Holtet L, Nilsen H, Olsvik O, Traavik T.

Vet Rec. 1998 Jul 25;143(4):105-9.

PMID:
9725176
19.

Antibodies against orthopoxviruses in wild carnivores from Fennoscandia.

Tryland M, Sandvik T, Arnemo JM, Stuve G, Olsvik O, Traavik T.

J Wildl Dis. 1998 Jul;34(3):443-50.

PMID:
9706553
20.

Naturally occurring orthopoxviruses: potential for recombination with vaccine vectors.

Sandvik T, Tryland M, Hansen H, Mehl R, Moens U, Olsvik O, Traavik T.

J Clin Microbiol. 1998 Sep;36(9):2542-7.

21.

Serosurvey for orthopoxviruses in rodents and shrews from Norway.

Tryland M, Sandvik T, Mehl R, Bennett M, Traavik T, Olsvik O.

J Wildl Dis. 1998 Apr;34(2):240-50.

PMID:
9577770
22.

[First infection with vancomycin resistant type VanA enterococci in a Norwegian hospital].

Haarr E, Simonsen GS, Olsvik O, Sundsfjord A, Harbo K, Natås OB.

Tidsskr Nor Laegeforen. 1998 Mar 20;118(8):1188-90. Norwegian.

PMID:
9567694
23.

Long PCRs of transposons in the structural analysis of genes encoding acquired glycopeptide resistance in enterococci.

Haaheim H, Dahl KH, Simonsen GS, Olsvik O, Sundsfjord A.

Biotechniques. 1998 Mar;24(3):432-7.

24.

Evolutionary relationships among members of the genus Chlamydia based on 16S ribosomal DNA analysis.

Pettersson B, Andersson A, Leitner T, Olsvik O, Uhlén M, Storey C, Black CM.

J Bacteriol. 1997 Jul;179(13):4195-205.

25.

Isolation of cmr, a novel Escherichia coli chloramphenicol resistance gene encoding a putative efflux pump.

Nilsen IW, Bakke I, Vader A, Olsvik O, El-Gewely MR.

J Bacteriol. 1996 Jun;178(11):3188-93.

26.

Probes and polymerase chain reaction for detection of food-borne bacterial pathogens.

Olsen JE, Aabo S, Hill W, Notermans S, Wernars K, Granum PE, Popovic T, Rasmussen HN, Olsvik O.

Int J Food Microbiol. 1995 Nov;28(1):1-78. Review.

PMID:
8751091
27.

A transferable multiple drug resistance plasmid from Vibrio cholerae O1.

Kruse H, Sørum H, Tenover FC, Olsvik O.

Microb Drug Resist. 1995 Fall;1(3):203-10.

PMID:
9158776
28.

Molecular subtyping of toxigenic Vibrio cholerae O139 causing epidemic cholera in India and Bangladesh, 1992-1993.

Popovic T, Fields PI, Olsvik O, Wells JG, Evins GM, Cameron DN, Farmer JJ 3rd, Bopp CA, Wachsmuth K, Sack RB, et al.

J Infect Dis. 1995 Jan;171(1):122-7.

PMID:
7528249
29.

Molecular subtyping of Vibrio cholerae O1 strains recently isolated from patient, food and environmental samples in Spain.

Usera MA, Echeita A, Olsvik O, Evins GM, Cameron DN, Popovic T.

Eur J Clin Microbiol Infect Dis. 1994 Apr;13(4):299-303.

PMID:
8070433
30.

Magnetic separation techniques in diagnostic microbiology.

Olsvik O, Popovic T, Skjerve E, Cudjoe KS, Hornes E, Ugelstad J, Uhlén M.

Clin Microbiol Rev. 1994 Jan;7(1):43-54. Review.

31.

Cholera in the Americas: Foodborne Aspects.

Popovic T, Olsvik Ø, Blake PA, Wachsmuth K.

J Food Prot. 1993 Sep;56(9):811-821. doi: 10.4315/0362-028X-56.9.811.

PMID:
31113054
32.

Epidemiologic application of a standardized ribotype scheme for Vibrio cholerae O1.

Popovic T, Bopp C, Olsvik O, Wachsmuth K.

J Clin Microbiol. 1993 Sep;31(9):2474-82.

33.

Detection of streptococcal pyrogenic exotoxin genes by a nested polymerase chain reaction.

Black CM, Talkington DF, Messmer TO, Facklam RR, Hornes E, Olsvik O.

Mol Cell Probes. 1993 Aug;7(4):255-9.

PMID:
8232341
34.

Acquired tetracycline resistance genes in nosocomial Salmonella typhimurium infection in a Kenyan hospital.

Kariuki S, Olsvik O, Mitema E, Gathuma J, Mirza N.

East Afr Med J. 1993 May;70(5):255-8.

PMID:
8306897
35.

The molecular epidemiology of cholera in Latin America.

Wachsmuth IK, Evins GM, Fields PI, Olsvik O, Popovic T, Bopp CA, Wells JG, Carrillo C, Blake PA.

J Infect Dis. 1993 Mar;167(3):621-6.

PMID:
7680060
36.

Use of automated sequencing of polymerase chain reaction-generated amplicons to identify three types of cholera toxin subunit B in Vibrio cholerae O1 strains.

Olsvik O, Wahlberg J, Petterson B, Uhlén M, Popovic T, Wachsmuth IK, Fields PI.

J Clin Microbiol. 1993 Jan;31(1):22-5.

37.
38.

Tetracycline resistance genes in Kenyan hospital isolates of Salmonella typhimurium.

Kariuki S, Mirza NB, Wasteson Y, Senerwa D, Gathuma JM, Olsvik O.

APMIS. 1992 Jul;100(7):629-34.

PMID:
1642850
39.

[The cholera epidemic in Latin America].

Olsvik O.

Tidsskr Nor Laegeforen. 1992 May 30;112(14):1843-6. Review. Norwegian.

PMID:
1631846
40.

Isolation of Latin American epidemic strain of Vibrio cholerae O1 from US Gulf Coast.

DePaola A, Capers GM, Motes ML, Olsvik O, Fields PI, Wells J, Wachsmuth IK, Cebula TA, Koch WH, Khambaty F, et al.

Lancet. 1992 Mar 7;339(8793):624. No abstract available.

PMID:
1347133
41.

Characterization of Escherichia coli strains isolated from pigs with edema disease.

Wasteson Y, Lund A, Olsvik O.

Vet Microbiol. 1992 Feb;30(2-3):179-90.

PMID:
1557896
43.

A nested PCR followed by magnetic separation of amplified fragments for detection of Escherichia coli Shiga-like toxin genes.

Olsvik O, Rimstad E, Hornes E, Strockbine N, Wasteson Y, Lund A, Wachsmuth K.

Mol Cell Probes. 1991 Dec;5(6):429-35.

PMID:
1779981
45.
46.

Immunomagnetic separation of Salmonella from foods.

Skjerve E, Olsvik O.

Int J Food Microbiol. 1991 Oct;14(1):11-7.

PMID:
1742168
47.
48.

Antimicrobial resistance of enteropathogenic Escherichia coli strains from a nosocomial outbreak in Kenya.

Senerwa D, Mutanda LN, Gathuma JM, Olsvik O.

APMIS. 1991 Aug;99(8):728-34.

PMID:
1859645
49.

Detection of Clostridium perfringens type A enterotoxin in faecal and food samples using immunomagnetic separation (IMS)-ELISA.

Cudjoe KS, Thorsen LI, Sørensen T, Reseland J, Olsvik O, Granum PE.

Int J Food Microbiol. 1991 Apr;12(4):313-21.

PMID:
1854600
50.

Identification of thermotolerant Campylobacter species from poultry using an enzyme-labelled oligonucleotide DNA probe.

Cudjoe KS, Kapperud G, Olsvik O.

Int J Food Microbiol. 1991 Feb;12(2-3):271-4.

PMID:
2049289

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