Cohort size, follow-up, and results of vital status tracing in original study (Alexander et al.) and current update.
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*This category includes 77 persons lost to follow-up (vital status unknown) and 4 foreign or war deaths. Follow-up for decedents was censored at date of death.Cohort size, follow-up, and results of vital status tracing in original study (Alexander et al.) and current update.
创建时间：
2015-12-02
