TY  - RPRT
TI  - Testing proportionality in the proportional odds model fitted with GEE.
AU  - T R Stiger
AU  - H X Barnhart
AU  - J M Williamson
PY  - 1999
DO  - 10.1002/(sici)1097-0258(19990615)18:11<1419::aid-sim127>3.0.co;2-q
UR  - https://pubmed.ncbi.nlm.nih.gov/10399205/
ID  - 10399205
ER  -