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Social Science & Medicine (1982)|February 1, 1994
Infant and child survival in Shaanxi, ChinaX S Ren
The Journal of Automatic Chemistry|January 1, 1995
Simultaneous spectrophotometric determination of copper(II), lead(II) and cadrnium(II)S Ren, L Gao
Journal of Tongji Medical University = Tong Ji Yi Ke Da Xue Xue Bao|January 1, 1993
A dual fiber-optic sensor for oxygen and carbon dioxideJ Wang, S Ren
The Journal of Automatic Chemistry|January 1, 1995
The speciation of copper (II)/ethylenediamine/oxalate system by evolving factor analysisS Ren, L Gao
Journal of Clinical Epidemiology|June 10, 1998
Evaluating health status of elderly Chinese in BostonX S Ren, K Chang
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