TY  - RPRT
TI  - Clinical trials: a summary.
AU  - L Wilhelmsen
AU  - P Held
AU  - H Wedel
PY  - 2004
DO  - 10.1111/j.1365-2796.2004.01394.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15367170/
ID  - 15367170
ER  -