1. Studies of the helminth fauna of Norway XXI: The influence of population size (intensity of infection) on morphological characters in Diphyllobothrium dendriticum Nitzsch in the golden hamster (Mesocrisetus auratus Waterhouse);Andersen;Norwegian Journal of Zoology,1972
2. Studies of the helminth fauna of Norway XXXII: The primary strobila in Diphyllobothrium Cobbold. Studies on the Development of primary strobilae in D. dendriticum (Nitzsch), D. latum (L.) and D. ditremum (Creplin);Andersen;Norwegian Journal of Zoology,1973
3. Microtrical polymorphism among hymenolepid tapeworms as seen by scanning electron microscopy.;Berger;Transactions of the American Microscopical Society,1971
4. An electron microscope study of the tegument and associated structures of the procercoid of Diphyllobothrium latum (L.);Bråten;Zeitschrift für Parasitenkunde,1968
5. The fine structure of the tegument of Diphyllobothrium latum (L.). A comparison of the plerocercoid and adult stages;Bråten;Zeitschrift für Parasitenkunde,1968