Steinar Aasen
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Author network for Steinar Aasen by COREMINE medical


Publications 2015

Barkhatov L, Kazaryan AM, Aasen S, Edwin B (2015)
Endoscopic clipping of the Z-line (CMZL) helps recognize anatomical failures after Nissen fundoplication: technical report of a new method
Wideochir Inne Tech Maloinwazyjne, 10 (3), 363-7
PubMed 26649081

Publications 2010

Bakkan N, Boysen ME, Line PD, Aasen S (2010)
Radiological analysis of swallowing and functional outcomes after hypopharyngo-laryngectomy with reconstruction using a jejunal autograft
Acta Otolaryngol, 130 (9), 1077-83
PubMed 20377500

Publications 2009

Aabakken L, Aagenaes I, Sanengen T, Aasen S, Emblem R, Bjornland K (2009)
Utility of ERCP in neonatal and infant cholestasis
J Laparoendosc Adv Surg Tech A, 19 (3), 431-6
PubMed 19216697

Publications 2007

Bretthauer M, Seip B, Aasen S, Kordal M, Hoff G, Aabakken L (2007)
Carbon dioxide insufflation for more comfortable endoscopic retrograde cholangiopancreatography: a randomized, controlled, double-blind trial
Endoscopy, 39 (1), 58-64
PubMed 17252462

Publications 2006

Berstad AE, Aabakken L, Smith HJ, Aasen S, Boberg KM, Schrumpf E (2006)
Diagnostic accuracy of magnetic resonance and endoscopic retrograde cholangiography in primary sclerosing cholangitis
Clin Gastroenterol Hepatol, 4 (4), 514-20
PubMed 16616358

Jensen D, Aasen S, Talseth T (2006)
Uroflowmetry with simultaneous electromyography versus voiding video cystourethrography
Scand J Urol Nephrol, 40 (3), 232-7
PubMed 16809266

Publications 2000

Melhus M, Aasen S (2000)
[Diagnostic imaging of annular pancreas]
Tidsskr Nor Laegeforen, 120 (27), 3254-6
PubMed 11187164

Publications 1997

Flugsrud LB, Rłd TO, Aasen S, Berdal BP (1997)
Measles antibodies and herd immunity in 20- and 40-year-old Norwegians
Scand J Infect Dis, 29 (2), 137-40
PubMed 9181648

Publications 1994

Kapperud G, Lassen J, Aasen S, Hasseltvedt V (1994)
[Global transmission of Salmonella--increased risk in Norway. Interdisciplinary measures are necessary to maintain Norway's favourable situation]
Tidsskr Nor Laegeforen, 114 (18), 2125-9
PubMed 7992272

Publications 1993

Boysen M, Aasen S, Løtveit T, Bakka A (1993)
Two simultaneously occurring hypopharyngo-oesophageal diverticula
J Laryngol Otol, 107 (1), 49-50
PubMed 8445316

Hagen G, Kolmannskog F, Aasen S, Bakka A, Løtveit T, Mathisen O (1993)
Radiology of the ileal J-pouch-anal anastomosis (IPAA)
Acta Radiol, 34 (6), 563-8
PubMed 8240889

Publications 1992

Kapperud G, Lassen J, Ostroff SM, Aasen S (1992)
Clinical features of sporadic Campylobacter infections in Norway
Scand J Infect Dis, 24 (6), 741-9
PubMed 1287808

Kapperud G, Aasen S (1992)
Descriptive epidemiology of infections due to thermotolerant Campylobacter spp. in Norway, 1979-1988
APMIS, 100 (10), 883-90
PubMed 1445694

Ostroff SM, Kapperud G, Lassen J, Aasen S, Tauxe RV (1992)
Clinical features of sporadic Yersinia enterocolitica infections in Norway
J Infect Dis, 166 (4), 812-7
PubMed 1527416

Scheel O, Sandvik T, Hoel T, Aasen S (1992)
[Tularemia in Norway. A clinical and epidemiological review]
Tidsskr Nor Laegeforen, 112 (5), 635-7
PubMed 1557730

Aasen S (1992)
[Accidents cost 24 billions per year]
Tidsskr Nor Laegeforen, 112 (9), 1223
PubMed 1579956

Aasen S, Kolbenstvedt A (1992)
CT appearances of normal and obstructed submandibular duct
Acta Radiol, 33 (5), 414-9
PubMed 1389646

Publications 1991

Bruu AL, Haukenes G, Aasen S, Grayston JT, Wang SP, Klausen OG, Myrmel H, Hasseltvedt V (1991)
Chlamydia pneumoniae infections in Norway 1981-87 earlier diagnosed as ornithosis
Scand J Infect Dis, 23 (3), 299-304
PubMed 1882195

Lystad A, Aasen S (1991)
The epidemiology of meningococcal disease in Norway 1975-91
NIPH Ann, 14 (2), 57-65; discussion 65-6
PubMed 1812437

Lystad A, Aasen S (1991)
[Advice on preventive measures to persons infected with hepatitis B]
Tidsskr Nor Laegeforen, 111 (7), 852-3
PubMed 2020956

Aasen S (1991)
[Help for Africa in the campaign against AIDS]
Tidsskr Nor Laegeforen, 111 (26), 3204
PubMed 1948949

Aavitsland P, Bjune G, Aasen S, Halvorsen S (1991)
Adverse events following vaccine or placebo injection in an efficacy trial of an outer membrane vesicle vaccine against group B meningococcal disease in Norwegian secondary schools 1988-1991
NIPH Ann, 14 (2), 133-4; discussion 136-7
PubMed 1812426

Publications 1990

Høiby EA, Gaustad P, Aasen S, Martin PR (1990)
[Diseases caused by Streptococcus pyogenes in Norway, 1975-1989. A microbiologic and epidemiologic survey]
Tidsskr Nor Laegeforen, 110 (20), 2625-8
PubMed 2219026

Publications 1989

Kapperud G, Lassen J, Aasen S, Gustavsen S, Hellesnes I (1989)
[The contaminated chocolate epidemic of 1987]
Tidsskr Nor Laegeforen, 109 (19-21), 1982-5
PubMed 2665178

Publications 1984

Bruu AL, Aasen S, Tjåland S, Flugsrud LB (1984)
An outbreak of ornithosis in Norway in 1981
Scand J Infect Dis, 16 (2), 145-52
PubMed 6740246

Publications 1983

Bay D, Aasen S, Lystad A (1983)
Meningococcal disease in Norway 1980--83
NIPH Ann, 6 (2), 151-3
PubMed 6676680

Publications 1965

Asen S (1965)
Preparative thin-layer chromatography of anthocyanins
J Chromatogr, 18 (3), 602-3
PubMed 5840062

Publications 1964

MORRIS CJ, THOMPSON JF, ASEN S (1964)
THE IDENTIFICATION OF GAMMA-L-GLUTAMYL-L-ALANINE AND GAMMA-L-GLUTAMYL-L-VALINE FROM IRIS LEAF TISSUE
J Biol Chem, 239, 1833-5
PubMed 14213360

Publications 1962

Emsweller SL, Asen S, Uhring J (1962)
Tumor Formation in Interspecific Hybrids of Lilium
Science, 136 (3512), 266
PubMed 17750874

MORRIS CJ, THOMPSON JF, ASEN S, IRREVERRE F (1962)
The isolation of gamma-L-glutamyl-beta-alanine from iris bulbs
J Biol Chem, 237, 2180-1
PubMed 14476233

Publications 1961

IRREVERRE F, KNY H, ASEN S, THOMPSON JF, MORRIS CJ (1961)
Synthesis of DL-alpha(m-carboxyphenyl)-glycine
J Biol Chem, 236, 1093-4
PubMed 13717888

MORRIS CJ, THOMPSON JF, ASEN S, IRREVERRE F (1961)
The isolation of gamma-L-glutamyl-beta-aminoisobutyric acid from iris bulbs
J Biol Chem, 236, 1181-2
PubMed 13772819

THOMPSON JF, MORRIS CJ, ASEN S, IRREVERRE F (1961)
m-Carboxyphenyl-L-alanine: a dicarboxylic aromatic amino acid from iris bulbs
J Biol Chem, 236, 1183-5
PubMed 13776586

Publications 1960

Asen S, Cathey HM, Stuart NW (1960)
Enhancement of Gibberellin Growth-Promoting Activity by Hydrangenol Isolated from Leaves of Hydrangea Macrophylla
Plant Physiol, 35 (6), 816-9
PubMed 16655427

Publications 1959

ASEN S, THOMPSON JF, MORRIS CJ, IRREVERRE F (1959)
Isolation of beta-aminoisobutyric acid from bulbs of Iris tingitana var. Wedgewood
J Biol Chem, 234 (2), 343-6
PubMed 13630907

Halevy AH, Asen S (1959)
Identification of the Anthocyanins in Petals of Tulip Varieties Smiling Queen and Pride of Haarlem
Plant Physiol, 34 (5), 494-9
PubMed 16655261

Publications 1958

Asen S (1958)
Anthocyanins in Bracts of Euphorbia Pulcherrima as Revealed by Paper Chromatographic and Spectrophotometric Methods
Plant Physiol, 33 (1), 14-7
PubMed 16655069