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The liver fluke Fasciola hepatica is a parasite of ruminants with a worldwide distribution and an apparent increasing incidence in EU member states. Effective control in dairy cattle is hampered by the lack of flukicides with a zero-withdrawal time for milk, leaving the dry period as the only time that preventive treatment can be applied. Here, we present… (More)
OBJECTIVE To review the classification, etiology, clinical and radiologic evaluation, and management of the pars interarticularis stress reaction, spondylolysis, and spondylolisthesis progression. DATA SOURCES Grateful Med was searched from 1980 to 1998 using the terms "spondylolysis," "spondylolisthesis," "female athlete" "spondylogenic," and "pars… (More)
Scientific investigations of production losses in pigs due to roundworms are rarely conducted in commercial farms, despite the fact that this information is needed to decide whether anthelmintic treatment is cost-effective or not. Therefore, the aim of our study was to compare performance in fattening pigs treated or not treated for Ascaris suum infections.… (More)
Four different laboratory tests for diagnosis of Clostridium difficile-associated diarrhea were compared to determine the optimal one for management of patients with hospital-acquired diarrhea. Stool samples from 231 patients with diarrhea were tested by the following methods: culture for Clostridium difficile with subsequent determination of exotoxin… (More)
Chondrosarcoma arising in the nasal septum has been previously described only 11 times. In this report, another case occurring in an 89-year-old man is discussed. The rarity of such a tumor arising in previously normal cartilage is emphasized. Prognostic factors and surgical treatment are discussed.