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Epidemiology (Cambridge, Mass.)|October 27, 2001
Sex ratio and twinning in women with hyperemesis or pre-eclampsiaO Basso, J Olsen
American Journal of Epidemiology|September 18, 1999
Recurrence risk of congenital anomalies--the impact of paternal, social, and environmental factors: a population-based study in DenmarkO Basso, J Olsen, K Christensen
Epidemiology (Cambridge, Mass.)|October 27, 2001
Higher risk of pre-eclampsia after change of partner. An effect of longer interpregnancy intervals?O Basso, K Christensen, J Olsen
International Journal of Epidemiology|September 10, 1999
Low birthweight and prematurity in relation to paternal factors: a study of recurrenceO Basso, J Olsen, K Christensen
Journal of Obstetrics and Gynaecology : the Journal of the Institute of Obstetrics and Gynaecology|October 30, 2004
Male factors and socioeconomic indicators correlate with the risk of spontaneous abortionJ Olsen, O Basso, K Christensen
International Journal of Epidemiology|October 18, 2000
Time to pregnancy as a correlate of fecundity: differential persistence in trying to become pregnant as a source of biasO Basso, S Juul, J Olsen
Journal of Epidemiology and Community Health|May 18, 1999
Study of environmental, social, and paternal factors in preterm delivery using sibs and half sibs. A population-based study in DenmarkO Basso, J Olsen, K Christensen
International Journal of Epidemiology|October 3, 1998
Risk of preterm delivery, low birthweight and growth retardation following spontaneous abortion: a registry-based study in DenmarkO Basso, J Olsen, K Christensen
BJOG : an International Journal of Obstetrics and Gynaecology|December 18, 2014
Developmental milestones in children born post-term in the Danish National Birth Cohort: a main research articleA W Olesen, J Olsen, J L Zhu
Epidemiology (Cambridge, Mass.)|May 1, 1997
The performance of several indicators in detecting recall bias. European Study Group on Infertility and SubfecundityO Basso, J Olsen, L Bisanti, et al.
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