TY  - RPRT
TI  - Group sequential methods for an ordinal logistic random-effects model under misspecification.
AU  - Bart Spiessens
AU  - Emmanuel Lesaffre
AU  - Geert Verbeke
AU  - KyungMann Kim
PY  - 2002
DO  - 10.1111/j.0006-341x.2002.00569.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12229991/
ID  - 12229991
ER  -