TY  - RPRT
TI  - Interim analysis and sample size reassessment.
AU  - M Posch
AU  - P Bauer
PY  - 2000
DO  - 10.1111/j.0006-341x.2000.01170.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11129475/
ID  - 11129475
ER  -