Is Canada's sex ratio in decline?
Canadian Medical Association journal (CMAJ), 1997-01, Vol.156 (1), p.46-48 [Peer Reviewed Journal]Copyright Canadian Medical Association Jan 1, 1997 ;1997 Canadian Medical Association 1997 ;ISSN: 0820-3946 ;EISSN: 1488-2329 ;PMID: 9006564 ;CODEN: CMAJAX
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