Screening with digital mammography: 2-year experiences from Vestfold County, Norway

per Vigeland, E, Klaasen, H, Klingen, TA, Hofvind, S
Publicat 2006

Transduodenal sphincterotomy for stenosing papillitis and massive choledocholithiasis after Billroth II gastrectomy.

per Sharma, P., Klaasen, H., Skeidsvoll, H., Peirzynowski, S., Blix, I.
Publicat 1995

A novel tetravalent Leptospira bacterin protects against infection and shedding following challenge in dogs

per Klaasen, H. L. B. M., van der Veen, M., Molkenboer, M. J. C. H., Sutton, D.
Publicat 2013

Apathogenic, intestinal, segmented, filamentous bacteria stimulate the mucosal immune system of mice.

per Klaasen, H L, Van der Heijden, P J, Stok, W, Poelma, F G, Koopman, J P, Van den Brink, M E, Bakker, M H, Eling, W M, Beynen, A C
Publicat 1993