(1981). Confounding and selection bias in case control studies / Roderick J.A. Little, Paul R. Rosenbaum.
Chicagoスタイル(17版)引用形式Confounding and Selection Bias in Case Control Studies / Roderick J.A. Little, Paul R. Rosenbaum. 1981.
MLA(9版)引用形式Confounding and Selection Bias in Case Control Studies / Roderick J.A. Little, Paul R. Rosenbaum. 1981.
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