| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| song et al. 2007 pnas mirna | 1.25 | 0.8 | 8576 | 4 |
| shim et al pnas 2012 | 0.68 | 1 | 5201 | 20 |
| qi et al. 2014 pnas | 0.53 | 0.4 | 1436 | 77 |
| chen et al. 2018 pnas | 1.36 | 0.8 | 5841 | 83 |
| sefah et al pnas 2014 | 1.5 | 0.8 | 8033 | 68 |
| dejneka m j et al pnas 2003 100 : 389 393 | 0.39 | 0.7 | 8527 | 98 |
| provost et al. pnas 2020 | 0.89 | 0.6 | 9703 | 64 |
| edwards j. et al. 2015 . pnas | 0.39 | 0.5 | 4108 | 21 |
| conner et al. 1983 pnas 80 278-282 | 0.67 | 0.9 | 8972 | 88 |
| fang et al. 2018 pnas | 1.5 | 1 | 7310 | 37 |
| zhu et al. 2018. pnas | 1.82 | 0.1 | 6766 | 70 |
| bar-on et al. pnas 2019 | 0.47 | 0.1 | 9419 | 28 |
| huber et al. pnas. 2002 | 1.13 | 0.2 | 7573 | 85 |
| zhao et al. pnas 2017 | 1.01 | 0.7 | 5406 | 65 |
| j ding et al. pnas 2018 | 1.86 | 0.3 | 4326 | 24 |
| www.pnas.org/cgi/doi/10.1073/pnas | 1.89 | 1 | 1182 | 84 |
| burdick et al pnas 2020 | 0.67 | 0.1 | 9677 | 98 |
| http://www.pnas.org/content/115/30/e7091 | 0.64 | 0.4 | 8768 | 37 |
| https://doi.org/10.1073/pnas.21168081 | 0.29 | 0.9 | 7915 | 12 |
| http://www.pnas.org/content/112/8/e911.short | 1.09 | 1 | 6363 | 5 |
| https://doi.org/10.1073/pnas.22003541 | 0.09 | 0.9 | 9674 | 73 |
| doi 10.1073/pnas | 1.21 | 0.9 | 4181 | 24 |
| https://www.pnas.org/content/117/12/6640 | 0.69 | 0.1 | 9919 | 5 |
| https://doi.org/10.1073/pnas | 1.2 | 0.9 | 2075 | 45 |
