Human Reproduction, Vol. 16, No. 10, 2244,
October 2001
© 2001 European Society of Human Reproduction and Embryology
Letters to the Editor |
Parental ages and the secondary sex ratio
Department of Epidemiology, Institute of Public Health Faculty of Health Sciences-University of Copenhagen Panum Institute, Blegdamsvej 3 DK-2200 Copenhagen N, Denmark E-mail: R.jacobsen@pubhealth.ku.dk
Dear Sir,
I have read with interest the letter by Orvos, Kozinszky and Bártfai (2001) analysing the univariate effect of maternal
References