Nordstrand N, Hertel JK, Hofsø D, Sandbu R, Saltvedt E, Røislien J, Os I, Hjelmesæth J
A controlled clinical trial of the effect of gastric bypass surgery and intensive lifestyle intervention on nocturnal hypertension and the circadian blood pressure rhythm in patients with morbid obesity
Surgery (in press)
PubMed 22261295

Waldum B, Westheim AS, Sandvik L, Flønæs B, Grundtvig M, Gullestad L, Hole T, Os I (2012)
Baseline anemia is not a predictor of all-cause mortality in outpatients with advanced heart failure or severe renal dysfunction results from the norwegian heart failure registry
J Am Coll Cardiol, 59 (4), 371-8
PubMed 22261159

Damås JK, Bækken M, Ueland T, Manner IW, Os I, Yndestad A, Flo TH, Oktedalen O, Aukrust P (2012)
Serum Levels of Neutrophil Gelatinase-Associated Lipocalin Are Associated With Microalbuminuria in HIV-Infected Patients
J Acquir Immune Defic Syndr, 59 (2), e24-e25
PubMed 22245717