1. The decline in sex ratios at birth, England & Wales 1973-90;James, W.H.;J Epidemiol Community Health,1996
2. Why is the sex ratio falling in England and Wales?;Dickinson, H.O.; Parker, L.;JEpidemiol Community Health,1996
3. The sex ratio of children in relation to paternal preconceptional radiation dose: a study in Cumbria, northern England;Dickinson, H.O.; Parker, L.; Binks, K.; Wakeford, R.; Smith, J.;J Epidemiol Community Health,1996
4. What stabilizes the sex ratio?;James, W.H.,1995
5. The human sex ratio: a review of the literature;James, W.H.;Hum Biol,1987