Institution
University of Bergen
Education•Bergen, Hordaland, Norway•
About: University of Bergen is a education organization based out in Bergen, Hordaland, Norway. It is known for research contribution in the topics: Population & Large Hadron Collider. The organization has 17106 authors who have published 52492 publications receiving 2009844 citations. The organization is also known as: Universitetet i Bergen & Universitas Bergensis.
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TL;DR: Established in 1967, the Medical Birth Registry of Norway was organized in the wake of the thalidomide catastrophe in order to detect, as soon as possible, any future increase in rates of birth defects.
Abstract: (2000). The Medical Birth Registry of Norway. Epidemiological research and surveillance throughout 30 years. Acta Obstetricia et Gynecologica Scandinavica: Vol. 79, No. 6, pp. 435-439.
774 citations
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TL;DR: The effects of menarche and menopause on breast cancer risk might not be acting merely by lengthening women's total number of reproductive years, and endogenous ovarian hormones are more relevant for oestrogen receptor-positive disease than for ostrogens receptor-negative disease and for lobular than for ductal tumours.
Abstract: BACKGROUND:Menarche and menopause mark the onset and cessation, respectively, of ovarian activity associated with reproduction, and affect breast cancer risk. Our aim was to assess the strengths of their effects and determine whether they depend on characteristics of the tumours or the affected women.METHODS:Individual data from 117 epidemiological studies, including 118 964 women with invasive breast cancer and 306 091 without the disease, none of whom had used menopausal hormone therapy, were included in the analyses. We calculated adjusted relative risks (RRs) associated with menarche and menopause for breast cancer overall, and by tumour histology and by oestrogen receptor expression.FINDINGS:Breast cancer risk increased by a factor of 1·050 (95% CI 1·044-1·057; p<0·0001) for every year younger at menarche, and independently by a smaller amount (1·029, 1·025-1·032; p<0·0001), for every year older at menopause. Premenopausal women had a greater risk of breast cancer than postmenopausal women of an identical age (RR at age 45-54 years 1·43, 1·33-1·52, p<0·001). All three of these associations were attenuated by increasing adiposity among postmenopausal women, but did not vary materially by women's year of birth, ethnic origin, childbearing history, smoking, alcohol consumption, or hormonal contraceptive use. All three associations were stronger for lobular than for ductal tumours (p<0·006 for each comparison). The effect of menopause in women of an identical age and trends by age at menopause were stronger for oestrogen receptor-positive disease than for oestrogen receptor-negative disease (p<0·01 for both comparisons).INTERPRETATION:The effects of menarche and menopause on breast cancer risk might not be acting merely by lengthening women's total number of reproductive years. Endogenous ovarian hormones are more relevant for oestrogen receptor-positive disease than for oestrogen receptor-negative disease and for lobular than for ductal tumours.
759 citations
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TL;DR: In this paper, the authors propose a definition and a descriptive model of destructive leadership behavior, defined as the systematic and repeated behaviour by a leader, supervisor or manager that violates the legitimate interest of the organisation by undermining and/or sabotaging the organisation's goals, tasks, resources, and effectiveness and/ or the motivation, well-being or job satisfaction of his/her subordinates.
Abstract: This paper proposes a definition and a descriptive model of destructive leadership behaviour. Destructive leadership behaviour is defined as the systematic and repeated behaviour by a leader, supervisor or manager that violates the legitimate interest of the organisation by undermining and/or sabotaging the organisation's goals, tasks, resources, and effectiveness and/or the motivation, well-being or job satisfaction of his/her subordinates. Three categories of such destructive leadership are identified in the proposed model: tyrannical, derailed, and supportive–disloyal leadership behaviour. The model may provide a useful link between the field of leadership and research on bullying, counterproductive behaviour, and aggression at work. The model contributes to a more nuanced concept of destructive leadership showing how destructive leadership behaviours also may have constructive elements.
758 citations
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TL;DR: Although plasma ANP appears to be a better predictor of left ventricular dysfunction, plasma BNP may have greater potential to complement standard prognostic indicators used in risk stratification after AMI because of its strong, independent association with long-term survival, enhanced in vitro stability, and simplicity of analysis.
Abstract: Background Elevated plasma levels of atrial natriuretic peptide (ANP) and the N-terminal fragment of the ANP prohormone (N-ANP) are associated with decreased left ventricular function and decreased long-term survival after acute myocardial infarction (AMI). Previous data suggest that plasma brain natriuretic peptide (BNP) may increase proportionally more than plasma ANP after AMI and in chronic heart failure. The diagnostic and prognostic value of plasma BNP as an indicator of left ventricular dysfunction and long-term survival after AMI, relative to that of ANP and N-ANP, remain to be established. Methods and Results Venous blood samples for analysis of ANP, N-ANP, and BNP were obtained on day 3 after symptom onset from 131 patients with documented AMI. Left ventricular ejection fraction was determined by echocardiography in a subsample of 79 patients. Twenty-eight cardiovascular and 3 noncardiovascular deaths occurred during the follow-up period (median, 1293 days). All three peptides proved to be power...
756 citations
Authors
Showing all 17370 results
Name | H-index | Papers | Citations |
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Stephen V. Faraone | 188 | 1427 | 140298 |
Patrick O. Brown | 183 | 755 | 200985 |
Anil K. Jain | 183 | 1016 | 192151 |
Marc Weber | 167 | 2716 | 153502 |
Johan Auwerx | 158 | 653 | 95779 |
Leif Groop | 158 | 919 | 136056 |
Charles M. Perou | 156 | 573 | 202951 |
Bart Staels | 152 | 824 | 86638 |
Zhenwei Yang | 150 | 956 | 109344 |
G. Eigen | 148 | 2188 | 117450 |
Thomas Lohse | 148 | 1237 | 101631 |
Marco Costa | 146 | 1458 | 105096 |
Timothy P. Hughes | 145 | 831 | 91357 |
Hermann Kolanoski | 145 | 1279 | 96152 |
Kjell Fuxe | 142 | 1479 | 89846 |