Demographics and baseline.
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资源简介：
& = 1 missing;β = 8 missing;ε = 6 missing;α = 3 missing;δ = 4 missing;μ = 2 missing;SD: standard deviation; CDC: Centres for Disease Control, § CDC classifications: A3, B3, C1, C1, C3 [1]; CD4: CD4-positive-T-lymphocyte; Q1: first quartile; Q3: third quartile.
创建时间：
2015-12-02
