TY  - RPRT
TI  - A mixed-effects regression model for longitudinal multivariate ordinal data.
AU  - Li C Liu
AU  - Donald Hedeker
PY  - 2006
DO  - 10.1111/j.1541-0420.2005.00408.x
UR  - https://pubmed.ncbi.nlm.nih.gov/16542254/
ID  - 16542254
ER  -