TY  - RPRT
TI  - Multivariate outcome research in arthritis. Implications for sample sizes.
AU  - J E Hewett
AU  - S K Anderson
AU  - C S Johnson
PY  - 1989
DO  - 10.1002/anr.1790020410
UR  - https://pubmed.ncbi.nlm.nih.gov/2487720/
ID  - 2487720
ER  -