| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is an iron lung | 0.73 | 0.1 | 7905 | 61 |
| what is an iron lung machine | 0.19 | 0.8 | 804 | 55 |
| what is an iron lung and how does it work | 1.78 | 0.8 | 8009 | 94 |
| what is an iron lung for polio | 0.79 | 0.9 | 7921 | 53 |
| what is an iron lung used for today | 0.59 | 0.2 | 3545 | 15 |
| what is an iron lung and what is its purpose | 1.58 | 0.6 | 6681 | 78 |
| how does an iron lung work | 0.66 | 0.3 | 3402 | 12 |
| man in the iron lung | 0.08 | 0.2 | 6198 | 100 |
| markiplier iron lung | 1.02 | 0.6 | 7694 | 64 |
| man in iron lung for 70 years | 0.25 | 0.3 | 6956 | 6 |
| iron lung movie | 0.25 | 0.7 | 7091 | 39 |
| iron lung game | 0.96 | 0.1 | 4041 | 40 |
| iron lung movie release date | 1.34 | 0.8 | 2572 | 84 |
| iron lung machine | 1.37 | 0.2 | 1814 | 93 |
| iron lung guy | 1.69 | 0.3 | 4720 | 82 |
| iron lung man dies | 0.52 | 0.5 | 4029 | 54 |
| iron lung wiki | 0.53 | 0.1 | 3218 | 67 |
| iron lung release date | 1.83 | 0.5 | 6869 | 16 |
| iron lung polio | 0.12 | 0.4 | 3618 | 80 |
| iron lung trailer | 1.6 | 0.9 | 147 | 42 |
| iron lung video game | 0.02 | 0.1 | 5279 | 16 |
| iron lung paul alexander | 0.16 | 0.9 | 2128 | 71 |
| iron lung monster | 1.33 | 0.4 | 2619 | 19 |
| iron lung steam | 0.05 | 0.6 | 8929 | 8 |
| iron lung | 1.71 | 0.6 | 3390 | 19 |
