TY  - RPRT
TI  - Transformations of covariates for longitudinal data.
AU  - Wesley K Thompson
AU  - Minge Xie
AU  - Helene R White
PY  - 2003
DO  - 10.1093/biostatistics/4.3.353
UR  - https://pubmed.ncbi.nlm.nih.gov/12925503/
ID  - 12925503
ER  -