TY - RPRT TI - Design for sample size re-estimation with interim data for double-blind clinical trials with binary outcomes. AU - W J Shih AU - P L Zhao PY - 1997 DO - 10.1002/(sici)1097-0258(19970915)16:17<1913::aid-sim610>3.0.co;2-z UR - https://pubmed.ncbi.nlm.nih.gov/9304763/ ID - 9304763 ER -