TY  - JOUR
A1  - Brant, R.
T1  - Assessing proportionality in the proportional odds model for ordinal logistic regression
Y1  - 1990
DO  - 10.2307/2532457
JF  - Biometrics
VL  - 46
IS  - 4
SP  - 1171
EP  - -1178

ER  -