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European Journal of Applied Physiology and Occupational Physiology|January 1, 1983
The plasma concentrations of secretin and vasoactive intestinal polypeptide (VIP) after long-term, strenuous exerciseO Oktedalen, P K Opstad, O B Schaffalitzky de Muckadell
Clinical Endocrinology|June 1, 1984
The thyroid function in young men during prolonged exercise and the effect of energy and sleep deprivationP K Opstad, D Falch, O Oktedalen, et al.
Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke|May 10, 1994
[Diagnosis and treatment of infections of the digestive system in HIV-infected patients]O Oktedalen, B Selbekk, I Helle, et al.
Scandinavian Journal of Gastroenterology|April 1, 1992
Changes in the gastrointestinal mucosa after long-distance runningO Oktedalen, O C Lunde, P K Opstad, et al.
European Journal of Applied Physiology and Occupational Physiology|January 1, 1985
Plasma renin activity and serum aldosterone during prolonged physical strain. The significance of sleep and energy deprivationP K Opstad, O Oktedalen, A Aakvaag, et al.
International Journal of Sports Medicine|October 17, 1998
Intestinal IgA- and IgM-producing cells are not decreased in marathon runnersD E Nilssen, O Oktedalen, I Lygren, et al.
Scandinavian Journal of Gastroenterology|January 1, 1984
Responses of vasoactive intestinal polypeptide, secretin, and human pancreatic polypeptide to glucose during fastingO Oktedalen, P K Opstad, R Jorde, et al.
Scandinavian Journal of Gastroenterology|June 1, 1989
Erosive prepyloric changes--a manifestation of stress?A Nesland, O Oktedalen, P K Opstad, et al.
Scandinavian Journal of Gastroenterology|September 1, 1984
The effect of physical stress on gastric secretion and pancreatic polypeptide levels in manO Oktedalen, I Guldvog, P K Opstad, et al.
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