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Table 1 Evidence retrieved on web search engines: quantitative analysis of the first 2 pages of Google and Yahoo
| Search terms | Search engine | Items | Commercial/non-commercialsites in the first 2 pages | Sites providing references (non-commercial links in the first 2 pages) | No. sites in common in Google and Yahoo |
|---|---|---|---|---|---|
| Reiki | 58500000 | 6/14 | 3 | 6 | |
| Yahoo | 44900000 | 6/14 | 6 | ||
| Reiki medicine | 17800000 | 17/3 | 2 | 1 | |
| Yahoo | 5690000 | 19/1 | 1 | ||
| Reiki Torino | 3680000 | 18/2 | 0 | 0 | |
| Yahoo | 51100 | 10/10 | 0 | ||
| Reiki use | 3060000 | 18/2 | 2 | 0 | |
| Yahoo | 55300 | 20/0 | 0 | ||
| Reiki pain | 10700000 | 1/19 | 9 | 4 | |
| Yahoo | 7150000 | 2/18 | 4 | ||
| Reiki dialysis | 590000 | 4/16 | 0 | 7 | |
| Yahoo | 193000 | 6/14 | 0 | ||
| Reiki cost effectiveness | 333000 | 12/8 | 12 | 5 | |
| Yahoo | 112000 | 15/5 | 9 | ||
| Reiki contra- indications | 120000 | 9/11 | 2 | 9 | |
| Yahoo | 30900 | 6/14 | 1 |
