Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
rosenbaum design of observational studies pdf | 0.96 | 0.5 | 2342 | 73 | 45 |
rosenbaum | 1.07 | 0.4 | 9790 | 57 | 9 |
design | 0.37 | 1 | 2644 | 71 | 6 |
of | 1.69 | 1 | 776 | 43 | 2 |
observational | 1.01 | 0.9 | 3181 | 27 | 13 |
studies | 0.82 | 0.5 | 9154 | 58 | 7 |
1.97 | 0.4 | 5483 | 9 | 3 |