TY - RPRT TI - Sizing clinical trials with variable endpoint event rates. AU - L A Moyé PY - 1997 DO - 10.1002/(sici)1097-0258(19971030)16:20<2267::aid-sim671>3.0.co;2-1 UR - https://pubmed.ncbi.nlm.nih.gov/9351164/ ID - 9351164 ER -