TY  - RPRT
TI  - Multicentre clinical trials.
AU  - S Garattini
AU  - V Bertele
PY  - 1999
DO  - 10.1016/s0140-6736(05)75042-x
UR  - https://pubmed.ncbi.nlm.nih.gov/10094015/
ID  - 10094015
ER  -