| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| modern optical spectroscopy | 0.35 | 0.9 | 8156 | 12 | 27 |
| modern | 1.44 | 0.9 | 5844 | 63 | 6 |
| optical | 0.45 | 0.5 | 5335 | 19 | 7 |
| spectroscopy | 1.59 | 1 | 9236 | 69 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| modern optical spectroscopy | 0.46 | 0.4 | 4845 | 93 |
| parson modern optical spectroscopy | 0.11 | 0.9 | 5231 | 69 |
| parson ophthalmology pdf download | 1.23 | 0.3 | 163 | 99 |
| parson ophthalmology book pdf | 0.4 | 0.7 | 9701 | 63 |
| parsons ophthalmology latest edition | 0.04 | 0.6 | 637 | 2 |
| parsons textbook of ophthalmology pdf | 1.93 | 0.7 | 1984 | 96 |
| parsons ophthalmology 23rd edition pdf | 1.93 | 0.2 | 226 | 90 |
