TY  - RPRT
TI  - Sample size estimation for GEE method for comparing slopes in repeated measurements data.
AU  - Sin-Ho Jung
AU  - Chul Ahn
PY  - 2003
DO  - 10.1002/sim.1384
UR  - https://pubmed.ncbi.nlm.nih.gov/12687656/
ID  - 12687656
ER  -