Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
design of observational studies rosenbaum | 0.48 | 0.9 | 3998 | 68 | 41 |
design | 0.64 | 0.3 | 4566 | 21 | 6 |
of | 1.74 | 0.6 | 8343 | 97 | 2 |
observational | 1.94 | 0.1 | 5301 | 16 | 13 |
studies | 0.37 | 0.7 | 784 | 21 | 7 |
rosenbaum | 0.54 | 0.5 | 6616 | 25 | 9 |