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1 | randomised controlled trial |
2 | controlled clinical trial |
3 | randomised |
4 | randomized |
5 | randomly |
6 | trial |
7 | or/1-6 |
8 | benign prostatic hyperplasia or bph/ |
9 | lower urinary tract symptoms or luts/ |
10 | or/8-9 |
11 | acupuncture/ |
12 | acupuncture points/ |
13 | (electroacupuncture or electro- acupuncture).tw. |
14 | electroacupuncture.tw. |
15 | acupuncture$.tw. |
16 | acupoints.tw. |
17 | meridians/ |
18 | or/11-17 |
19 | 7 and 10 and 18 |