medline search strategy for identification of randomised controlled trials
| 001 | Randomised controlled trial.pt |
|---|---|
| 002 | Controlled clinical trial.pt |
| 003 | Randomised controlled trials/ |
| 004 | Random allocation |
| 005 | Double blind method |
| 006 | Single blind method |
| 007 | or/1-6 |
| 008 | Animal/not human/ |
| 009 | 7 not 8 |
| 010 | Clinical trial.pt |
| 011 | Exp clinical trials/ |
| 012 | (clinical adj5 trial$).tw.# |
| 013 | (singl$ or doubl$ or trebl$) adj25 (blind$ or mask$).tw. |
| 014 | Exp placebos/ |
| 015 | Placebo$.tw |
| 016 | Random$.tw |
| 017 | Exp research design/ |
| 018 | or/10-17 |
| 019 | 18 not 8 |
| 020 | 19 not 9 |
| 021 | 9 or 20 |
| 022 | Archives of Disease in Childhood |
| 023 | 21 and 22 |