TY  - RPRT
TI  - Randomized clinical trials: why not?
AU  - K K Uberla
PY  - 1981
DO  - 10.1016/0197-2456(81)90032-5
UR  - https://pubmed.ncbi.nlm.nih.gov/7261619/
ID  - 7261619
ER  -