| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| oxygen delivery system for copd | 0.28 | 0.6 | 8193 | 73 |
| best oxygen delivery system for copd | 0.02 | 1 | 4502 | 35 |
| oxygen systems for copd | 1.93 | 0.6 | 50 | 47 |
| oxygen device for copd | 1.5 | 1 | 9179 | 81 |
| oxygen equipment for copd | 1.16 | 1 | 8446 | 37 |
| portable oxygen for copd | 1.47 | 1 | 3985 | 63 |
| portable oxygen for copd patients | 0.46 | 0.6 | 9000 | 25 |
| oxygen machines for copd | 0.8 | 0.8 | 6477 | 94 |
| oxygen for copd patients | 1.93 | 0.9 | 9665 | 15 |
| copd oxygen treatment devices | 1.42 | 0.4 | 377 | 91 |
| oxygen administration for copd | 1.98 | 0.2 | 2751 | 81 |
| respiratory oxygen delivery devices | 0.43 | 1 | 8769 | 98 |
| using oxygen for copd | 1.78 | 0.4 | 441 | 11 |
| portable oxygen machine for copd | 0.1 | 0.5 | 2389 | 42 |
| oxygen air delivery system | 1.96 | 0.6 | 8494 | 49 |
| copd and oxygen administration | 1.64 | 0.8 | 6199 | 97 |
| oxygen treatment for copd | 0.37 | 1 | 692 | 37 |
| copd respiratory drive oxygen | 1.14 | 1 | 8294 | 13 |
| respiratory therapy oxygen delivery devices | 0.7 | 0.7 | 3901 | 21 |
| supplemental oxygen copd respiratory drive | 0.08 | 0.5 | 3532 | 1 |
| oxygen devices and delivery systems | 0.62 | 1 | 892 | 53 |
