TY  - RPRT
TI  - Monitoring clinical trials: conditional or predictive power?
AU  - D J Spiegelhalter
AU  - L S Freedman
AU  - P R Blackburn
PY  - 1986
DO  - 10.1016/0197-2456(86)90003-6
UR  - https://pubmed.ncbi.nlm.nih.gov/3956212/
ID  - 3956212
ER  -