Vital and health statistics. Series 21, Data from the National Vital Statistics System [Vital Health Stat 21] NLMUID: 0032510.
Style de citation Chicago (17e éd.)Vital and Health Statistics. Series 21, Data from the National Vital Statistics System [Vital Health Stat 21] NLMUID: 0032510.
Style de citation MLA (9e éd.)Vital and Health Statistics. Series 21, Data from the National Vital Statistics System [Vital Health Stat 21] NLMUID: 0032510.
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