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Niels Keiding
Niels Keiding
Professor of biostatistics, University of Copenhagen
Verified email at sund.ku.dk
Title
Cited by
Cited by
Year
Statistical models based on counting processes
PK Andersen, O Borgan, RD Gill, N Keiding
Springer Science & Business Media, 2012
54492012
Evidence for decreasing quality of semen during past 50 years.
E Carlsen, A Giwercman, N Keiding, NE Skakkebæk
British medical journal 305 (6854), 609-613, 1992
42741992
Male reproductive health and environmental xenoestrogens.
J Toppari, JC Larsen, P Christiansen, A Giwercman, P Grandjean, ...
Environmental health perspectives 104 (suppl 4), 741-803, 1996
20671996
Thrombotic stroke and myocardial infarction with hormonal contraception
Ø Lidegaard, E Løkkegaard, A Jensen, CW Skovlund, N Keiding
New England Journal of Medicine 366 (24), 2257-2266, 2012
7802012
Multi-state models for event history analysis
PK Andersen, N Keiding
Statistical methods in medical research 11 (2), 91-115, 2002
7632002
Regional differences in semen quality in Europe
N Jørgensen, AG Andersen, F Eustache, DS Irvine, J Suominen, ...
Human reproduction 16 (5), 1012-1019, 2001
6142001
WHO Expert Committee on Drug Dependence [meeting held in Geneva from 8 to 13 October 1973]: twentieth report
WHO Expert Committee on Drug Dependence, World Health Organization
World Health Organization, 1974
599*1974
Age-specific incidence and prevalence: a statistical perspective
N Keiding
Journal of the Royal Statistical Society Series A: Statistics in Society 154 …, 1991
5081991
High frequency of sub-optimal semen quality in an unselected population of young men
AG Andersen, TK Jensen, E Carlsen, N Jørgensen, AM Andersson, ...
Human Reproduction 15 (2), 366-372, 2000
4522000
Neurobehavioral deficits associated with PCB in 7-year-old children prenatally exposed to seafood neurotoxicants
P Grandjean, P Weihe, VW Burse, LL Needham, E Storr-Hansen, ...
Neurotoxicology and teratology 23 (4), 305-317, 2001
4302001
Time to pregnancy and semen parameters: a cross-sectional study among fertile couples from four European cities
R Slama, F Eustache, B Ducot, TK Jensen, N Jørgensen, A Horte, S Irvine, ...
Human Reproduction 17 (2), 503-515, 2002
4102002
Evidence for increasing incidence of abnormalities of the human testis: a review.
A Giwercman, E Carlsen, N Keiding, NE Skakkebæk
Environmental health perspectives 101 (suppl 2), 65-71, 1993
3831993
Methylmercury exposure biomarkers as indicators of neurotoxicity in children aged 7 years
P Grandjean, E Budtz-Jørgensen, RF White, PJ Jørgensen, P Weihe, ...
American journal of epidemiology 150 (3), 301-305, 1999
3761999
Depression as a prognostic factor for breast cancer mortality
K Hjerl, EW Andersen, N Keiding, HT Mouridsen, PB Mortensen, ...
Psychosomatics 44 (1), 24-30, 2003
3562003
Association of in utero exposure to maternal smoking with reduced semen quality and testis size in adulthood: a cross-sectional study of 1,770 young men from the general …
TK Jensen, N Jørgensen, M Punab, TB Haugen, J Suominen, B Zilaitiene, ...
American journal of epidemiology 159 (1), 49-58, 2004
3322004
The role of frailty models and accelerated failure time models in describing heterogeneity due to omitted covariates
N Keiding, PK Andersen, JP Klein
Statistics in medicine 16 (2), 215-224, 1997
3271997
Statistical models based on counting processes
PK Anderson, Ø Borgan, RD Gill, N Keiding
Biometrics 24, 100-101, 1993
3201993
The association between early menopause and risk of ischaemic heart disease: influence of hormone therapy
E Løkkegaard, Z Jovanovic, BL Heitmann, N Keiding, B Ottesen, ...
Maturitas 53 (2), 226-233, 2006
2972006
The mediation proportion: a structural equation approach for estimating the proportion of exposure effect on outcome explained by an intermediate variable
S Ditlevsen, U Christensen, J Lynch, MT Damsgaard, N Keiding
Epidemiology 16 (1), 114-120, 2005
2872005
Unemployment and mortality in Denmark, 1970-80.
L Iversen, O Andersen, PK Andersen, K Christoffersen, N Keiding
Br med J (Clin res ed) 295 (6603), 879-884, 1987
2851987
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