TY  - RPRT
TI  - Longitudinal data analysis. A comparison between generalized estimating equations and random coefficient analysis.
AU  - Jos W R Twisk
PY  - 2004
DO  - 10.1023/b:ejep.0000036572.00663.f2
UR  - https://pubmed.ncbi.nlm.nih.gov/15469034/
ID  - 15469034
ER  -