Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
how does an iron lung work | 0.6 | 0.4 | 8044 | 58 |
how does an iron lung work for polio patients | 0.01 | 0.8 | 2965 | 77 |
how does an iron lung work for polio | 0.28 | 0.2 | 529 | 76 |
what is an iron lung and how does it work | 1.36 | 0.9 | 15 | 28 |
how does an iron lung machine work | 1.33 | 0.2 | 5196 | 58 |
how did the iron lung work | 1.05 | 0.6 | 9741 | 64 |
how an iron lung works | 0.88 | 0.8 | 568 | 57 |
was the iron lung used for polio | 0.99 | 0.6 | 1870 | 65 |
iron lung treatment for polio | 0.97 | 0.7 | 82 | 94 |
polio and the iron lung | 1.32 | 0.4 | 3717 | 55 |
iron lungs for polio machine | 0.49 | 0.1 | 6152 | 92 |
polio disease iron lung | 0.23 | 0.2 | 7884 | 77 |
polio and iron lung treatment | 1.73 | 0.9 | 9079 | 33 |
polio ward iron lung | 0.82 | 0.7 | 738 | 82 |
polio iron lung machine | 0.41 | 1 | 1341 | 42 |
paul polio iron lung | 1.52 | 0.3 | 9488 | 50 |
polio man in iron lung | 0.52 | 0.4 | 6938 | 96 |
polio survivor iron lung | 1.25 | 0.6 | 2039 | 38 |
iron lung and polio victims | 0.04 | 0.3 | 737 | 28 |
polio iron lung survivors | 0.91 | 0.3 | 3741 | 90 |
polio ward iron lung image | 1.13 | 0.1 | 110 | 53 |