Characteristics of the study population aged 40 and older: number of insured individuals, exposures in person-years, and number of incident and death cases by type of transition, income group, time period, and gender.
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Characteristics of the study population aged 40 and older: number of insured individuals, exposures in person-years, and number of incident and death cases by type of transition, income group, time period, and gender.
创建时间：
2020-11-20
