TY  - JOUR
A1  - Zeger, S.L.
A1  - Liang, K.Y.
T1  - Longitudinal data analysis for discrete and continuous outcomes
Y1  - 1986
DO  - 10.2307/2531248
JF  - Biometrics
VL  - 42
SP  - 121
EP  - -130

ER  -