TY  - RPRT
TI  - Detecting dose-response using contrasts: asymptotic power and sample size determination for binomial data.
AU  - Frank Bretz
AU  - Ludwig A Hothorn
PY  - 2002
DO  - 10.1002/sim.1324
UR  - https://pubmed.ncbi.nlm.nih.gov/12407675/
ID  - 12407675
ER  -