TY  - RPRT
TI  - Robust two-stage estimation in hierarchical nonlinear models.
AU  - B Y Yeap
AU  - M Davidian
PY  - 2001
DO  - 10.1111/j.0006-341x.2001.00266.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11252609/
ID  - 11252609
ER  -