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Journal of Epidemiology and Community Health|May 29, 2000
Declining male births with increasing geographical latitude in EuropeV Grech, P Vassallo-Agius, C Savona-VenturaJournal of Epidemiology and Community Health|July 29, 2003
Secular trends in sex ratios at birth in North America and Europe over the second half of the 20th centuryV Grech, P Vassallo-Agius, C Savona-VenturaPageof 1