Publications 2022

Sahakyan MA, Aghayan DL, Edwin B, Alikhanov R, Britskaia N, Brudvik KW, D'Hondt M, De Meyere C, Efanov M, Fretland ÅA, Hoff R, Ismail W, Ivanecz A, Kazaryan AM, Lassen K, Magdalenić T, Parmentier I, Røsok BI, Villanger O, Yaqub S (2022)
Laparoscopic versus open liver resection for intrahepatic cholangiocarcinoma: a multicenter propensity score-matched study
Scand J Gastroenterol, 58 (5), 489-496
DOI 10.1080/00365521.2022.2143724, PubMed 36373379

Publications 2016

Sahakyan MA, Yaqub S, Kazaryan AM, Villanger O, Berstad AE, Labori KJ, Edwin B, Røsok BI (2016)
Laparoscopic Completion Pancreatectomy for Local Recurrence in the Pancreatic Remnant after Pancreaticoduodenectomy: Case Reports and Review of the Literature
J Gastrointest Cancer, 47 (4), 509-513
DOI 10.1007/s12029-015-9796-y, PubMed 26732389

Publications 2012

Marangos IP, Buanes T, Røsok BI, Kazaryan AM, Rosseland AR, Grzyb K, Villanger O, Mathisen Ø, Gladhaug IP, Edwin B (2012)
Laparoscopic resection of exocrine carcinoma in central and distal pancreas results in a high rate of radical resections and long postoperative survival
Surgery, 151 (5), 717-23
DOI 10.1016/j.surg.2011.12.016, PubMed 22284762

Publications 2010

Kazaryan AM, Marangos IP, Røsok BI, Rosseland AR, Villanger O, Fosse E, Mathisen O, Edwin B (2010)
Laparoscopic resection of colorectal liver metastases: surgical and long-term oncologic outcome
Ann Surg, 252 (6), 1005-12
DOI 10.1097/SLA.0b013e3181f66954, PubMed 21107111

Kazaryan AM, Pavlik Marangos I, Rosseland AR, Røsok BI, Mala T, Villanger O, Mathisen O, Giercksky KE, Edwin B (2010)
Laparoscopic liver resection for malignant and benign lesions: ten-year Norwegian single-center experience
Arch Surg, 145 (1), 34-40
DOI 10.1001/archsurg.2009.229, PubMed 20083752

Publications 2009

Kazaryan AM, Marangos IP, Rosseland AR, Røsok BI, Villanger O, Pinjo E, Pfeffer PF, Edwin B (2009)
Laparoscopic adrenalectomy: Norwegian single-center experience of 242 procedures
J Laparoendosc Adv Surg Tech A, 19 (2), 181-9
DOI 10.1089/lap.2008.0286, PubMed 19216698

Publications 2003

Tønseth KA, Villanger O (2003)
[Stress ulcer]
Tidsskr Nor Laegeforen, 123 (9), 1195-7
PubMed 12789788

Publications 1998

Bjørnbeth BA, Endresen M, Hvattum E, Lyberg T, Villanger O, Raeder MG (1998)
Large intravenous bilirubin loads increase the cytotoxicity of bile and lower the resistance of the canalicular membrane to cytotoxic injury and cause cholestasis in pigs
Scand J Gastroenterol, 33 (2), 201-8
DOI 10.1080/00365529850166950, PubMed 9517533

Publications 1997

Bjłrnbeth BA, Villanger O, Christensen T, Lyberg T, Raeder MG (1997)
Large intravenous loads of bilirubin photoconversion products, in contrast to bilirubin, do not cause cholestasis in bile acid-depleted pigs
Scand J Gastroenterol, 32 (3), 246-53
DOI 10.3109/00365529709000202, PubMed 9085462

Publications 1995

Villanger O (1995)
Secretion from liver and pancreas under normal conditionsand during hyperbilirubinemia: an experimental study with emphasis on bicarbonate secretion
Institute for Experimental Medical Research, University of Oslo and Ullevål Hospital, Oslo, 1 b. (flere pag.)
BIBSYS 95242391x, ISBN 82-90246-43-9

Villanger O, Bjørnbeth BA, Lyberg T, Raeder MG (1995)
Bile acids protect the liver against the cholestatic effect of large bilirubin loads
Scand J Gastroenterol, 30 (12), 1186-93
DOI 10.3109/00365529509101629, PubMed 9053972

Villanger O, Veel T, Raeder MG (1995)
Secretin causes H+/HCO3- secretion from pig pancreatic ductules by vacuolar-type H(+)-adenosine triphosphatase
Gastroenterology, 108 (3), 850-9
DOI 10.1016/0016-5085(95)90460-3, PubMed 7875488

Publications 1993

Villanger O, Veel T, Raeder MG (1993)
Secretin causes H+ secretion from intrahepatic bile ductules by vacuolar-type H(+)-ATPase
Am J Physiol, 265 (4 Pt 1), G719-24
DOI 10.1152/ajpgi.1993.265.4.G719, PubMed 8238355

Publications 1992

Veel T, Villanger O, Holthe MR, Cragoe EJ, Raeder MG (1992)
Na(+)-H+ exchange is not important for pancreatic HCO3- secretion in the pig
Acta Physiol Scand, 144 (3), 239-46
DOI 10.1111/j.1748-1716.1992.tb09292.x, PubMed 1316712

Villanger O, Veel T, Holthe MR, Cragoe EJ, Raeder MG (1992)
Secretin stimulates bile ductules to secrete both H+ and HCO3(-)-ions
Acta Physiol Scand, 146 (3), 369-76
DOI 10.1111/j.1748-1716.1992.tb09431.x, PubMed 1481691

Publications 1991

Veel T, Villanger O, Holthe MR, Skjørten FS, Raeder MG (1991)
Intravenous bilirubin infusion causes vacuolization of the cytoplasm of hepatocytes and canalicular cholestasis
Acta Physiol Scand, 143 (4), 421-9
DOI 10.1111/j.1748-1716.1991.tb09254.x, PubMed 1815476