TY  - RPRT
TI  - Randomized trials: what's the problem?
AU  - F Cavalli
PY  - 1992
DO  - 10.1093/oxfordjournals.annonc.a058141
UR  - https://pubmed.ncbi.nlm.nih.gov/1307854/
ID  - 1307854
ER  -