Research
Variations in male-female infant ratios among births to Canadian- and Indian-born mothers, 1990-2011: a population-based register study
Marcelo L. Urquia, Joel G. Ray, Susitha Wanigaratne, Rahim Moineddin and Patricia J. O'Campo
April 11, 2016 4 (2) E116-E123; DOI: https://doi.org/10.9778/cmajo.20150141