TY  - RPRT
TI  - A generalized estimating equations approach to mixed-effects ordinal probit models.
AU  - Timothy R Johnson
AU  - Jee-Seon Kim
PY  - 2004
DO  - 10.1348/0007110042307177
UR  - https://pubmed.ncbi.nlm.nih.gov/15511310/
ID  - 15511310
ER  -