TY  - RPRT
TI  - A multiple imputation method for missing covariates in non-linear mixed-effects models with application to HIV dynamics.
AU  - H Wu
AU  - L Wu
PY  - 2001
DO  - 10.1002/sim.816
UR  - https://pubmed.ncbi.nlm.nih.gov/11406839/
ID  - 11406839
ER  -