TY  - RPRT
TI  - Sequential methods and group sequential designs for comparative clinical trials.
AU  - Véronique Sébille
AU  - Eric Bellissant
PY  - 2003
DO  - 10.1046/j.1472-8206.2003.00192.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14703713/
ID  - 14703713
ER  -