Computing an Exact Confidence Interval for the Common Odds Ratio in Several 2 × 2 Contingency Tables
提出一种算法，用于计算多个2×2列联表中共同优势比的精确置信区间，适用于小样本或稀疏数据场景。
Cyrus R. Mehta, Nitin R. Patel, Robert Gray, Computing an Exact Confidence Interval for the Common Odds Ratio in Several 2 × 2 Contingency Tables, Journal of the American Statistical Association, Vol. 80, No. 392 (Dec., 1985), pp. 969-973