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Schweizer Archiv Fur Tierheilkunde|March 11, 1998
[Infectious laryngotracheitis (ILT) in Switzerland: recent situation and thoughts about future possibilities for control]P Albicker-Rippinger, R K HoopSchweizer Archiv Fur Tierheilkunde|January 1, 1997
[Salmonella gallinarum-pullorum infection of poultry: experiences in Switzerland]R K Hoop, P Albicker-RippingerFEMS Immunology and Medical Microbiology|July 1, 1997
Reduced intestinal colonisation with F18-positive enterotoxigenic Escherichia coli in weaned pigs fed chicken egg antibody against the fimbriaeA Zúñiga, H Yokoyama, P Albicker-Rippinger, et al.Avian Pathology : Journal of the W.V.P.A|September 1, 1992
Persistence and vertical transmission of chicken anaemia agent in experimentally infected laying hensR K HoopRevue Scientifique Et Technique (International Office of Epizootics)|May 6, 1998
The Swiss control programme for Salmonella enteritidis in laying hens: experiences and problemsR K HoopSchweizer Archiv Fur Tierheilkunde|January 1, 1991
[Pathologico-anatomic, bacteriologic and serologic findings in laying hens from small neighborhood flocks with Salmonella enteritidis phage type 4 infection]R K Hoop, B KellerSchweizer Archiv Fur Tierheilkunde|March 11, 1998
[Detection of Salmonella enteritidis in suspected flocks of laying hens]V Nief, R K HoopThe Veterinary Record|October 16, 1993
Bacteriological, serological, histological and immunohistochemical findings in laying hens with naturally acquired Salmonella enteritidis phage type 4 infectionR K Hoop, A PospischilAvian Pathology : Journal of the W.V.P.A|June 1, 1991
The use of immunofluorescence and immunoperoxidase staining in studying the pathogenesis of chicken anaemia agent in experimentally infected chickensR K Hoop, R L ReeceSchweizer Archiv Fur Tierheilkunde|January 1, 1993
[Serologic monitoring of pullet and laying hen flocks in Switzerland: results from the years 1990 and 1991]B Keller-Berger, R K HoopPageof 8