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J. Hrafnkelsson · SciRah

Researcher profile · Semantic Scholar

J. Hrafnkelsson

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J. Hrafnkelsson — researcher profile on SciRah

h-index: 25
Works: 47
Citations: 3,908

Most-cited papers

Common variants on chromosomes 2q35 and 16q12 confer susceptibility to estrogen receptor–positive breast cancer
S. Stacey, A. Manolescu, P. Sulem, T. Rafnar +49 more
2007Nature Genetics781 citations
Semantic Scholar
Common variants on chromosome 5p12 confer susceptibility to estrogen receptor–positive breast cancer
S. Stacey, A. Manolescu, P. Sulem, S. Thorlacius +52 more
2008Nature Genetics489 citations
Semantic Scholar
Common variants on 9q22.33 and 14q13.3 predispose to thyroid cancer in European populations
J. Gudmundsson, P. Sulem, D. Gudbjartsson, J. Jónasson +34 more
2009Nature Genetics406 citations Open access
Semantic Scholar
Discovery of common variants associated with low TSH levels and thyroid cancer risk
J. Gudmundsson, P. Sulem, D. Gudbjartsson, J. Jónasson +43 more
2012Nature Genetics238 citations Open access
Semantic Scholar
Risk of breast cancer in female flight attendants: a population-based study (Iceland)
V. Rafnsson, H. Tulinius, J. Jónasson, J. Hrafnkelsson
2001Cancer Causes and Control238 citations
Semantic Scholar
Incidence of cancer among Nordic airline pilots over five decades: occupational cohort study
E. Pukkala, R. Aspholm, A. Auvinen, H. Eliasch +9 more
2002British medical journal163 citations Open access
Semantic Scholar
Cosmic radiation increases the risk of nuclear cataract in airline pilots: a population-based case-control study.
V. Rafnsson, Eydís Ólafsdóttir, J. Hrafnkelsson, H. Sasaki +2 more
2005A M A Archives of Ophthalmology150 citations
Semantic Scholar
A genome-wide association study yields five novel thyroid cancer risk loci
J. Gudmundsson, G. Thorleifsson, J. K. Sigurdsson, L. Stefánsdóttir +36 more
2017Nature Communications141 citations Open access
Semantic Scholar
GWAS of thyroid stimulating hormone highlights pleiotropic effects and inverse association with thyroid cancer
Wei Zhou, B. Brumpton, O. Kabil, J. Gudmundsson +52 more
2020Nature Communications119 citations Open access
Semantic Scholar
Mortality from cancer and other causes among airline cabin attendants in Europe: a collaborative cohort study in eight countries.
H. Zeeb, M. Blettner, I. Langner, G. Hammer +14 more
2003American Journal of Epidemiology116 citations Open access
Semantic Scholar
Cosmic radiation and cancer mortality among airline pilots: results from a European cohort study (ESCAPE)
I. Langner, M. Blettner, M. Gundestrup, H. Storm +15 more
2004Radiation and Environmental Biophysics99 citations
Semantic Scholar
Cancer incidence among 10,211 airline pilots: a Nordic study.
E. Pukkala, R. Aspholm, A. Auvinen, H. Eliasch +9 more
2003Aviation Space and Environmental Medicine93 citations
Semantic Scholar
The BARD1 Cys557Ser Variant and Breast Cancer Risk in Iceland
S. Stacey, P. Sulem, O. Johannsson, A. Helgason +16 more
2006PLoS Medicine76 citations Open access
Semantic Scholar
Papillary thyroid carcinoma in Iceland. A study of the occurrence in families and the coexistence of other primary tumours.
J. Hrafnkelsson, H. Tulinius, Jón G. Jónasson, G. Olafsdottir +1 more
1989Acta oncologica66 citations Open access
Semantic Scholar
Breast cancer risk in airline cabin attendants: a nested case-control study in Iceland
V. Rafnsson, P. Sulem, H. Tulinius, J. Hrafnkelsson
2003Occupational and Environmental Medicine65 citations Open access
Semantic Scholar
Risk factors for cutaneous malignant melanoma among aircrews and a random sample of the population
V. Rafnsson, J. Hrafnkelsson, H. Tulinius, B. Sigurgeirsson +1 more
2003Occupational and Environmental Medicine50 citations Open access
Semantic Scholar
Assessing thyroid cancer risk using polygenic risk scores
S. Liyanarachchi, J. Gudmundsson, E. Ferkingstad, Huiling He +17 more
2020Proceedings of the National Academy of Sciences of the United States of America49 citations Open access
Semantic Scholar
Screening as a prognostic factor in cervical cancer: analysis of survival and prognostic factors based on Icelandic population data, 1964-1988.
K. Sigurdsson, J. Hrafnkelsson, G. Geirsson, J. Gudmundsson +1 more
1991Gynecologic Oncology44 citations
Semantic Scholar
A comparative study of DNA cytometry methods for benign and malignant thyroid tissue.
Alden L. Hostetter, J. Hrafnkelsson, S. Wingren, S. Eneström +1 more
1988American Journal of Clinical Pathology43 citations
Semantic Scholar
Thyroid cancer in Iceland 1955-1984.
J. Hrafnkelsson, Jón G. Jónasson, G. Sigurdsson, H. Sigvaldason +1 more
1988Acta Endocrinologica41 citations
Semantic Scholar
Tall Cell Variant of Papillary Thyroid Carcinoma: A Population-Based Study in Iceland
T. Axelsson, J. Hrafnkelsson, E. Ólafsdóttir, J. Jónasson
2015Thyroid38 citations
Semantic Scholar
Incidence of cancer among licenced commercial pilots flying North Atlantic routes
Eva María Gudmundsdóttir, J. Hrafnkelsson, V. Rafnsson
2017Environmental Health36 citations Open access
Semantic Scholar
Serum thyroglobulin as a risk factor for thyroid carcinoma.
J. Hrafnkelsson, H. Tulinius, Matthías Kjeld, H. Sigvaldason +1 more
2000Acta oncologica30 citations Open access
Semantic Scholar
Adenocarcinoma of the prostate in Iceland: A population-based study of stage, Gleason grade, treatment and long-term survival in males diagnosed between 1983 and 1987
E. Jonsson, H. P. Sigbjarnarson, J. Tómasson, K. Benediktsdottir +5 more
2006Scandinavian Journal of Urology and Nephrology27 citations
Semantic Scholar
Soft tissue sarcomas in Iceland 1955-1988. Analysis of survival and prognostic factors.
G. Baldursson, B. Agnarsson, Kristrun R. Benediktsdottir, J. Hrafnkelsson
1991Acta oncologica22 citations Open access
Semantic Scholar
Familial non-medullary thyroid cancer in Iceland
J. Hrafnkelsson, H. Tulinius, J. Jónasson, G. Ólafsdóttir +1 more
2001Journal of Medical Genetics20 citations Open access
Semantic Scholar
Cellular DNA pattern, S-phase frequency and survival in papillary thyroid cancer.
J. Hrafnkelsson, O. Stål, S. Eneström, J. Jónasson +3 more
1988Acta oncologica20 citations Open access
Semantic Scholar
Reproductive factors and breast cancer risk in Iceland. A second cohort study
H. Tulinius, H. Sigvaldason, J. Hrafnkelsson, G. Olafsdóttir +2 more
1990International Journal of Cancer19 citations
Semantic Scholar
Nuclear DNA analysis and prognosis in carcinoma of the thyroid gland
Jón G. Jónasson, J. Hrafnkelsson
2004Virchows Archiv17 citations
Semantic Scholar
Tumours in Iceland. 11. Malignant tumours of the thyroid gland
Jón G. Jónasson, J. Hrafnkelsson, J. Björnsson
1989Acta Pathologica, Microbiologica et Immunologica Scandinavica (APMIS)14 citations
Semantic Scholar
Tolerance of radiotherapy combined with adjuvant chemotherapy in breast cancer.
J. Hrafnkelsson, K. Nilsson, M. Söderberg
1987Acta oncologica11 citations Open access
Semantic Scholar
Risk factors for malignant melanoma in an Icelandic population sample.
V. Rafnsson, J. Hrafnkelsson, H. Tulinius, B. Sigurgeirsson +1 more
2004Preventive Medicine10 citations
Semantic Scholar
Acute Q fever: a cause of fatal hepatitis in an Icelandic traveller.
H. Isaksson, J. Hrafnkelsson, Ingibjorg Hilmarsdottir
2001Scandinavian Journal of Infectious Diseases6 citations
Semantic Scholar
The cumulative incidence of gemcitabine-induced thrombotic microangiopathy
M. Árnadóttir, T. Benediktsson, J. Hrafnkelsson
2007Acta oncologica5 citations Open access
Semantic Scholar
Tumours in Iceland. 14. Malignant tumours of soft tissues
B. Agnarsson, G. Baldursson, Kristrun R. Benediktsdottir, J. Hrafnkelsson
1991Acta Pathologica, Microbiologica et Immunologica Scandinavica (APMIS)4 citations
Semantic Scholar
17. Malignant tumours of the oesophagus
V. Pétursdóttir, J. Jónasson, J. Hrafnkelsson
19923 citations
Semantic Scholar
Tumours in Iceland. 17. Malignant tumours of the oesophagus. Histological classification and epidemiological considerations.
Vigdis Petursdottir, J. Jónasson, J. Hrafnkelsson
1992Acta Pathologica, Microbiologica et Immunologica Scandinavica (APMIS)3 citations
Semantic Scholar
Author Correction: GWAS of thyroid stimulating hormone highlights the pleiotropic effects and inverse association with thyroid cancer
Wei Zhou, B. Brumpton, O. Kabil, J. Gudmundsson +52 more
2021Nature Communications2 citations Open access
Semantic Scholar
Cancer incidence among 10,211 airline pilots
E. Pukkala, R. Aspholm, A. Auvinen, H. Eliasch +9 more
20032 citations
Semantic Scholar
[Thyroid cancer in Iceland in the period 1955-2004. A clinico-pathological and epidemiological study].
J. Jónasson, J. Hrafnkelsson, E. Ólafsdóttir
2011Icelandic Medical Journal1 citations
Semantic Scholar
Cosmic Radiation and Cataracts in Airline Pilots
V. Rafnsson, Eydís Ólafsdóttir, J. Hrafnkelsson, G. de Angelis +3 more
20041 citations
Semantic Scholar
No Evidence for the Causation by Cosmic Radiation of Nuclear Cataracts in Pilots—Reply
V. Rafnsson, Eydís Ólafsdóttir, J. Hrafnkelsson, H. Sasaki +2 more
20060 citations
Semantic Scholar
Economy Class Syndrome: A “Pilot” Study.
S. Kristinsson, B. Vidarsson, T. Love, V. Rafnsson +2 more
20050 citations
Semantic Scholar
Exposure to the atmospheric ionizing radiation environment: studies on Icelandic and Italian civilian aviation flight personnel
G. De Angelis, M. Caldora, M. Santaquilani, R. Scipione +5 more
20040 citations
Semantic Scholar
[Primary pancreatic lymphoma causing obstructive jaundice in a 71 year old man. A case report and review of the literature.].
Ingi Thornór Hauksson, T. Gudbjartsson, J. Hrafnkelsson, Friðbjœrn Sigurðsson +1 more
2002Icelandic Medical Journal0 citations
Semantic Scholar
[Thyroid cancer in Iceland. Epidemiology and prognostic factors with special emphasis on the results of nuclear DNA-analysis].
J. Hrafnkelsson, J. Jónasson
1994Icelandic Medical Journal0 citations
Semantic Scholar

Frequent co-authors

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V. Rafnsson×14
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V. Rafnsson — researcher profile on SciRah
J. Jónasson×12
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J. Jónasson — researcher profile on SciRah
J. Gudmundsson×10
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K. Stefánsson×9
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P. Sulem — researcher profile on SciRah

J. Mayordomo×8

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H. Tulinius — researcher profile on SciRah

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S. Stacey — researcher profile on SciRah

U. Thorsteinsdóttir×6

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U. Thorsteinsdóttir — researcher profile on SciRah

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Huiling He — researcher profile on SciRah

A. de la Chapelle×6

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A. de la Chapelle — researcher profile on SciRah