Kjell Haug

Observations of walrus (Odobenus rosmarus rosmarus) in the southeastern Barents and Pechora seas in February 1993

Kjell Haug, 1995 .

Epidemiology of ulcerative colitis in western Norway.

E. Schrumpf, K. Haug, G. Fluge, 1988, Scandinavian journal of gastroenterology.

Epidemiology of Crohn's disease in western Norway. Study group of Inflammatory Bowel Disease in Western Norway.

E. Schrumpf, K. Haug, G. Fluge, 1989, Scandinavian journal of gastroenterology.