Narrowing of Sex Differences in Infant Mortality in Massachusetts.

Autor: Bhaumik, Urmi1,2, Aitken, Iain1, Kawachi, Ichiro3, Ringer, Steve4, Orav, John5, Lieberman, Ellice6
Zdroj: Journal of Perinatology. Feb2004, Vol. 24 Issue 2, p94-99. 6p.
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