TY  - RPRT
TI  - Using severity rather than randomization for assignment in clinical trials: Monte Carlo tests and practical illustrations of the Robbins-Zhang method.
AU  - D C Ross
DO  - 10.1016/0022-3956(95)00022-w
UR  - https://pubmed.ncbi.nlm.nih.gov/8847658/
ID  - 8847658
ER  -