TY  - RPRT
TI  - Reflections on randomised controlled trials in surgery.
AU  - M Baum
PY  - 1999
DO  - 10.1016/s0140-6736(99)90220-9
UR  - https://pubmed.ncbi.nlm.nih.gov/10319923/
ID  - 10319923
ER  -