| Keyword | CPC | PCC | Volume | Score |
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| what is the merck manual | 1.75 | 0.3 | 3773 | 83 |
| merck medical manual online | 1.99 | 0.8 | 6889 | 34 |
| merck veterinary manual | 0.93 | 0.4 | 2641 | 28 |
| merck vet manual | 1.81 | 0.8 | 7372 | 66 |
| merck veterinary manual online | 0.22 | 0.9 | 5063 | 44 |
| the merck manual | 0.85 | 0.1 | 82 | 76 |
| hypokalemia symptoms merck manual | 1.94 | 0.4 | 7069 | 18 |
| merck manual professional | 0.86 | 0.4 | 1581 | 74 |
| merck manual online | 1.21 | 0.7 | 3403 | 72 |
| merck manual for professionals online | 1.26 | 0.9 | 4532 | 84 |
| merck manual consumer version | 0.75 | 0.8 | 6373 | 12 |
| merck manual pdf | 0.52 | 0.9 | 9548 | 7 |
| merck manual veterinary manual | 1.81 | 0.3 | 9188 | 74 |
| merck manual of diagnosis and therapy | 0.73 | 0.4 | 6896 | 14 |
| merck manual consumer | 0.75 | 0.7 | 1318 | 76 |
| merck manuals professional edition | 1.24 | 0.1 | 7071 | 70 |
| merck manual professional version | 1.02 | 0.4 | 6859 | 5 |
