Cohort description.
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资源简介：
Data are expressed as number of individuals (number of observations over time). Cohort 1 is composed of individuals with complete data—between one and six assessments (CD4+ T cell count, WBCC, and Lymph% measured at the same time) within each 6-mo interval—for 1 y of follow-up. Cohort 2 is composed of individuals with complete data for 3 y of follow-up.
创建时间：
2015-12-02
