TY  - RPRT
TI  - Analysis of longitudinal data: random coefficient regression modelling.
AU  - C M Rutter
AU  - R M Elashoff
PY  - 1994
DO  - 10.1002/sim.4780131204
UR  - https://pubmed.ncbi.nlm.nih.gov/7973203/
ID  - 7973203
ER  -