Research pointers: Unexplained differences in sex ratios at birth in Europe and North America
- 27 April 2002
- Vol. 324 (7344) , 1010-1011
- https://doi.org/10.1136/bmj.324.7344.1010
Abstract
We obtained annual data on male and female live births from the World Health Organization (WHO) for the North American continent for 1958-97 and for European countries for 1950-99. Overall <3% of data were missing.Keywords
This publication has 1 reference indexed in Scilit:
- Declining male births with increasing geographical latitude in EuropeJournal of Epidemiology and Community Health, 2000