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

por Vigeland, E, Klaasen, H, Klingen, TA, Hofvind, S
Publicado em 2006

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

por Sharma, P., Klaasen, H., Skeidsvoll, H., Peirzynowski, S., Blix, I.
Publicado em 1995

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

por Klaasen, H. L. B. M., van der Veen, M., Molkenboer, M. J. C. H., Sutton, D.
Publicado em 2013

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

por 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
Publicado em 1993