Publications 2023

Helgadottir H, Bjornsson ES (2023)
[Current use of proton pump inhibitors and when to limit, stop or not start treatment]
Laeknabladid, 109 (708), 338-345
DOI 10.17992/lbl.2023.0708.752, PubMed 37378651

Helgadottir H, Björnsson ES (2023)
The Impact of Sex on the Response to Proton Pump Inhibitor Treatment
Pharmaceuticals (Basel), 16 (12)
DOI 10.3390/ph16121722, PubMed 38139847

Helgadottir H, Folseraas T, Kemmerich G, Aabakken L, Jørgensen KK, Vesterhus M (2023)
[Not Available]
Tidsskr Nor Laegeforen, 143 (17)
DOI 10.4045/tidsskr.23.0156, PubMed 37987062

Helgadottir H, Vesterhus M (2023)
Noninvasive evaluation of fibrosis in adult biliary diseases
Curr Opin Gastroenterol, 39 (2), 83-88
DOI 10.1097/MOG.0000000000000909, PubMed 36821455

Publications 2022

Helgadottir H, Folvik G, Vesterhus M (2022)
Improvement of cholestatic episodes in patients with benign recurrent intrahepatic cholestasis (BRIC) treated with rifampicin. A long-term follow-up
Scand J Gastroenterol, 58 (5), 512-520
DOI 10.1080/00365521.2022.2143725, PubMed 36369734

Holmberg CJ, Ny L, Hieken TJ, Block MS, Carr MJ, Sondak VK, Örtenwall C, Katsarelias D, Dimitriou F, Menzies AM, Saw RP, Rogiers A, Straker RJ, Karakousis G, Applewaite R, Pallan L, Han D, Vetto JT, Gyorki DE, Tie EN, Vitale MG, Ascierto PA, Dummer R, Cohen J, Hui JY et al. (2022)
The efficacy of immune checkpoint blockade for melanoma in-transit with or without nodal metastases - A multicenter cohort study
Eur J Cancer, 169, 210-222
DOI 10.1016/j.ejca.2022.03.041, PubMed 35644725

Publications 2021

Dalmasso B, Pastorino L, Nathan V, Shah NN, Palmer JM, Howlie M, Johansson PA, Freedman ND, Carter BD, Beane-Freeman L, Hicks B, Molven A, Helgadottir H, Sankar A, Tsao H, Stratigos AJ, Helsing P, Van Doorn R, Gruis NA, Visser M, Wadt KAW, Mann G, Holland EA, Nagore E, Potrony M et al. (2021)
Germline ATM variants predispose to melanoma: a joint analysis across the GenoMEL and MelaNostrum consortia
Genet Med, 23 (11), 2087-2095
DOI 10.1038/s41436-021-01240-8, PubMed 34262154

Publications 2020

Helgadóttir H, Lund SH, Gizurarson S, Metz DC, Björnsson ES (2020)
Predictors of Gastrin Elevation Following Proton Pump Inhibitor Therapy
J Clin Gastroenterol, 54 (3), 227-234
DOI 10.1097/MCG.0000000000001200, PubMed 30994520

Publications 2019

Helgadottir H, Bjornsson ES (2019)
Problems Associated with Deprescribing of Proton Pump Inhibitors
Int J Mol Sci, 20 (21)
DOI 10.3390/ijms20215469, PubMed 31684070

Publications 2017

Helgadottir H, Kis L, Ljungman P, Larkin J, Kefford R, Ascierto PA, Hansson J, Masucci G (2017)
Lethal aplastic anemia caused by dual immune checkpoint blockade in metastatic melanoma
Ann Oncol, 28 (7), 1672-1673
DOI 10.1093/annonc/mdx177, PubMed 28407116

Helgadóttir H, Metz DC, Lund SH, Gizurarson S, Jacobsen EI, Asgeirsdóttir GA, Yngadóttir Y, Björnsson ES (2017)
Study of Gender Differences in Proton Pump Inhibitor Dose Requirements for GERD: A Double-Blind Randomized Trial
J Clin Gastroenterol, 51 (6), 486-493
DOI 10.1097/MCG.0000000000000542, PubMed 27159420

Publications 2016

Thorgeirsson TE, Steinberg S, Reginsson GW, Bjornsdottir G, Rafnar T, Jonsdottir I, Helgadottir A, Gretarsdottir S, Helgadottir H, Jonsson S, Matthiasson SE, Gislason T, Tyrfingsson T, Gudbjartsson T, Isaksson HJ, Hardardottir H, Sigvaldason A, Kiemeney LA, Haugen A, Zienolddiny S, Wolf HJ, Franklin WA, Panadero A, Mayordomo JI, Hall IP et al. (2016)
A rare missense mutation in CHRNA4 associates with smoking behavior and its consequences
Mol Psychiatry, 21 (5), 594-600
DOI 10.1038/mp.2016.13, PubMed 26952864

Publications 2013

Helgadóttir H, Metz DC, Yang YX, Rhim AD, Björnsson ES (2013)
The effects of long-term therapy with proton pump inhibitors on meal stimulated gastrin
Dig Liver Dis, 46 (2), 125-30
DOI 10.1016/j.dld.2013.09.021, PubMed 24210828

Publications 2011

Helgadottir H, Kristjansson E, Einarsson E, Karduna A, Jonsson H (2011)
Altered activity of the serratus anterior during unilateral arm elevation in patients with cervical disorders
J Electromyogr Kinesiol, 21 (6), 947-53
DOI 10.1016/j.jelekin.2011.07.007, PubMed 21889362

Publications 2000

Mikkola H, Woods NB, Sjögren M, Helgadottir H, Hamaguchi I, Jacobsen SE, Trono D, Karlsson S (2000)
Lentivirus gene transfer in murine hematopoietic progenitor cells is compromised by a delay in proviral integration and results in transduction mosaicism and heterogeneous gene expression in progeny cells
J Virol, 74 (24), 11911-8
DOI 10.1128/jvi.74.24.11911-11918.2000, PubMed 11090191

Publications 1997

Valsdottir EB, Jonsson PV, Arnason V, Helgadottir H (1997)
[Views of Icelandic physicians and nurses towards limitation of treatment at the end of life.]
Laeknabladid, 83 (2), 92-101
PubMed 19679915

Publications 1994

Helgadóttir H (1994)
Continuing education in nursing: the Icelandic experience
J Contin Educ Nurs, 25 (2), 64-6
DOI 10.3928/0022-0124-19940301-08, PubMed 7797674

Publications 1990

Helgadottir H (1990)
AIDS. Grieving alone
Nurs Times, 86 (37), 28-32
PubMed 2399148

Publications 1966

Thormar H, Gíslason G, Helgadóttir H (1966)
A survey of neutralizing antibodies against maedi virus in sera from flocks of sheep affected with maedi and from healthy flocks
J Infect Dis, 116 (1), 41-7
DOI 10.1093/infdis/116.1.41, PubMed 4956057

Publications 1965

Thormar H, Helgadóttir H (1965)
A comparison of visna and maedi viruses. II. Serological relationship
Res Vet Sci, 6 (4), 456-65
PubMed 4955854

Publications 1964

GUDNADOTTIR M, HELGADOTTIR H, BJARNASON O, JONSDOTTIR K (1964)
VIRUS ISOLATED FROM THE BRAIN OF A PATIENT WITH MULTIPLE SCLEROSIS
Exp Neurol, 9, 85-95
DOI 10.1016/0014-4886(64)90008-1, PubMed 14126126