TY  - RPRT
TI  - Ethics and multicentre research projects.
AU  - R Horwitz
AU  - C H Cheetham
PY  - 1992
DO  - 10.1136/bmj.304.6839.1446
UR  - https://pubmed.ncbi.nlm.nih.gov/1628043/
ID  - 1628043
ER  -