TY  - RPRT
TI  - Longitudinal data analysis (repeated measures) in clinical trials.
AU  - P S Albert
PY  - 1999
DO  - 10.1002/(sici)1097-0258(19990715)18:13<1707::aid-sim138>3.0.co;2-h
UR  - https://pubmed.ncbi.nlm.nih.gov/10407239/
ID  - 10407239
ER  -