TY  - RPRT
TI  - When do we need what evidence?
AU  - Martin H Prins
AU  - Harry R Büller
PY  - 2003
DO  - 10.1016/s0895-4356(03)00130-6
UR  - https://pubmed.ncbi.nlm.nih.gov/12954460/
ID  - 12954460
ER  -