TY  - RPRT
TI  - Multicentre clinical trials.
AU  - C Druml
AU  - H G Eichler
PY  - 1999
DO  - 10.1016/s0140-6736(05)75041-8
UR  - https://pubmed.ncbi.nlm.nih.gov/10094014/
ID  - 10094014
ER  -