TY  - RPRT
TI  - Monitoring mortality at interim analyses while testing a composite endpoint at the final analysis.
AU  - Y H Joshua Chen
AU  - David L DeMets
AU  - K K Gordon Lan
PY  - 2003
DO  - 10.1016/s0197-2456(02)00306-9
UR  - https://pubmed.ncbi.nlm.nih.gov/12559639/
ID  - 12559639
ER  -