TY  - RPRT
TI  - Sequential or fixed sample trial design? A case study by stochastic simulation.
AU  - E Skovlund
AU  - L Walløe
PY  - 1991
DO  - 10.1016/0895-4356(91)90038-b
UR  - https://pubmed.ncbi.nlm.nih.gov/1999686/
ID  - 1999686
ER  -