TY  - RPRT
TI  - When should epidemiologic regressions use random coefficients?
AU  - S Greenland
PY  - 2000
DO  - 10.1111/j.0006-341x.2000.00915.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10985237/
ID  - 10985237
ER  -