TY  - RPRT
TI  - Authors have rights too.
AU  - D G Altman
AU  - I Chalmers
PY  - 1993
DO  - 10.1136/bmj.306.6879.717-a
UR  - https://pubmed.ncbi.nlm.nih.gov/8471939/
ID  - 8471939
ER  -