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Nordisk Veterinaermedicin|December 1, 1975
Causes of culling and death in sowsJ Svendsen, N C Nielsen, N Bille, et al.Canadian Journal of Comparative Medicine : Revue Canadienne De Medecine Comparee|October 1, 1975
Polyserositis in pigs due to generalized Escherichia coli infectionN C Nielsen, N Bille, H J Riising, et al.Zeitschrift Fur Parasitenkunde (Berlin, Germany)|July 27, 1976
Studies on the infectivity of Fasciola hepatica miracidia to Lymnaea truncatula. Attachment and penetration of miracidia into non-infected and infected snailsN O Christensen, P NansenThe Journal of Parasitology|October 1, 1976
The influence of temperature on the infectivity of Fasciola hepatica miracidia to Lymnaea truncatulaN O Christensen, P NansenNordisk Veterinaermedicin|June 1, 1977
[Parasite eggs identified in material from archaeological excavations in Ribe (the viking age) (author's transl)]P Nansen, R J JorgensenActa Veterinaria Scandinavica|December 22, 1999
Establishment of Ascaris suum in the pig: development of immunity following a single primary infectionA B Helwigh, P NansenThe Journal of Parasitology|February 1, 1996
Gastrointestinal helminths of Arctic foxes (Alopex lagopus) from different bioclimatological regions in GreenlandC M Kapel, P NansenVeterinary Parasitology|October 1, 1990
Effects of tactical late-season treatments with ivermectin on calves naturally exposed to trichostrongylesP E Steffan, P NansenVeterinary Parasitology|May 1, 1987
Resistance of Oesophagostomum spp. in pigs to pyrantel citrateA Roepstorff, H Bjørn, P NansenActa Veterinaria Scandinavica|January 1, 1994
A study on the transmission of Oesophagostomum dentatum and Hyostrongylus rubidus among outdoor reared pigs in DenmarkA Dangolla, H Bjørn, P NansenPageof 168