Letters Different sex ratios at birth in Europe and North America BMJ 2002; 325 doi: https://doi.org/10.1136/bmj.325.7359.334/a (Published 10 August 2002) Cite this as: BMJ 2002;325:334 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Dengue: Argentinians turn to homemade repellent amid surge in cases BMJ April 17, 2024, 385 q885; DOI: https://doi.org/10.1136/bmj.q885 Devolved powers for Greater Manchester led to some health improvements, study shows BMJ March 28, 2024, 384 q767; DOI: https://doi.org/10.1136/bmj.q767 Long waits in child mental health are a “ticking time bomb” regulator warns BMJ March 22, 2024, 384 q724; DOI: https://doi.org/10.1136/bmj.q724 Doctors report big rise in patients with illness because of socioeconomic factors BMJ March 01, 2024, 384 q538; DOI: https://doi.org/10.1136/bmj.q538 Diphtheria: WHO publishes first ever guidance following outbreaks BMJ February 14, 2024, 384 q407; DOI: https://doi.org/10.1136/bmj.q407 Cited by... Secular trends in sex ratios at birth in North America and Europe over the second half of the 20th centuryAbstract Fulltext PDF
