TY  - RPRT
TI  - A group sequential approach to crossover trials for average bioequivalence.
AU  - W W Hauck
AU  - P E Preston
AU  - F Y Bois
PY  - 1997
DO  - 10.1080/10543409708835171
UR  - https://pubmed.ncbi.nlm.nih.gov/9056590/
ID  - 9056590
ER  -