TY  - GEN
AU  - Bell,R F
AU  - Wisløff,T
AU  - Eccleston,C
AU  - Kalso,E
TI  - Controlled clinical trials in cancer pain. How controlled should they be? A qualitative systematic review
SN  - 0007-0920
PY  - 2006///0816
KW  - Controlled Clinical Trials as Topic
KW  - methods
KW  - Humans
KW  - Neoplasms
KW  - physiopathology
KW  - Pain
KW  - prevention & control
KW  - Pain Management
KW  - Reproducibility of Results
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review; Systematic Review
UR  - https://doi.org/10.1038/sj.bjc.6603162
ER  -