Differences in perinatal and infant mortality in high-income countries: artifacts of birth registration or evidence of true differences?
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M. Gissler | S. Vollset | K. Joseph | M. Kramer | R. Sauve | N. Gilbert | R. Skjærven | P. Shah | A. Andersen | J. A. León | J. Rouleau | L. Mortensen | Xun Zhang | P. Deb-Rinker | R. I. Bjarnadottir | P. Shah | for the Canadian Perinatal Surveillance System