TY  - RPRT
TI  - The analysis of longitudinal data using mixed model L-splines.
AU  - Sue J Welham
AU  - Brian R Cullis
AU  - Michael G Kenward
AU  - Robin Thompson
PY  - 2006
DO  - 10.1111/j.1541-0420.2005.00500.x
UR  - https://pubmed.ncbi.nlm.nih.gov/16918903/
ID  - 16918903
ER  -