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Isolation and identification of fimbriae and toxin production by Escherichia coli strains from cows with clinical mastitisLIPMAN, L. J. A; DE NIJS, A; GAASTRA, W et al.Veterinary microbiology (Amsterdam). 1995, Vol 47, Num 1-2, pp 1-7, issn 0378-1135Article

Extended antimicrobial susceptibility assay for Staphylococcus aureus isolates from bovine mastitis growing in biofilmsMELCHIOR, M. B; FINK-GREMMELS, J; GAASTRA, W et al.Veterinary microbiology (Amsterdam). 2007, Vol 125, Num 1-2, pp 141-149, issn 0378-1135, 9 p.Article

987P fimbriae from porcine enterotoxigenic Escherichia coli: characterization, N-terminal amino acid sequence and immunization with purified antigenPEDERSEN, J. K; KLEMM, P; GAASTRA, W et al.FEMS microbiology letters. 1986, Vol 33, Num 2-3, pp 229-234, issn 0378-1097Article

The nucleotide sequence of the gene encoding the K99 subunit of enterotoxigenic Escherichia coliROOSENDAAL, B; GAASTRA, W; DE GRAAF, F. K et al.FEMS microbiology letters. 1984, Vol 22, Num 3, pp 253-258, issn 0378-1097Article

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Studies about the mechanism of internalization by mammary epithelial cells of Escherichia coli isolated from persistent bovine mastitisDÖPFER, D; NEDERBRAGT, H; ALMEIDA, R. A et al.Veterinary microbiology (Amsterdam). 2001, Vol 80, Num 3, pp 285-296, issn 0378-1135Article

Identification and characterization of CS20, a new putative colonization factor of enterotoxigenic Escherichia coliVALVATNE, H; SOMMERFELT, H; GAASTRA, W et al.Infection and immunity. 1996, Vol 64, Num 7, pp 2635-2642, issn 0019-9567Article

Use of nonradioactive DNA hybridization for identification of enterotoxigenic Escherichia coli harboring genes for colonization factor antigen I, coli surface antigen 4, or putative colonization factor O166SOMMERFELT, H; GREWAL, H. M. S; GAASTRA, W et al.Journal of clinical microbiology (Print). 1992, Vol 30, Num 7, pp 1823-1828, issn 0095-1137Article