| smoking |
11,100,000/mo |
$2.68 |
| effects of smoking |
450,000/mo |
$2.44 |
| dangers of smoking |
40,500/mo |
$2.06 |
| shingles |
3,350,000/mo |
$1.58 |
| cystic fibrosis |
6,120,000/mo |
$1.99 |
| doctor |
83,100,000/mo |
$1.63 |
| vertigo |
1,830,000/mo |
$0.75 |
| chicken pox |
823,000/mo |
$0.53 |
| lung cancer symptoms |
110,000/mo |
$1.78 |
| cancer picture |
135,000/mo |
$0.69 |
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| lung cancer picture |
8,100/mo |
$0.98 |
| sign of lung cancer |
40,500/mo |
$1.98 |
| cancer pictures |
301,000/mo |
$0.66 |
| back pain lung cancer |
2,900/mo |
$2.57 |
| lung cancer pictures |
12,100/mo |
$1.00 |
| pictures of lung cancer |
12,100/mo |
$0.98 |
| lung pain |
40,500/mo |
$1.94 |
| information on lung cancer |
2,900/mo |
$2.62 |
| alcohol |
20,400,000/mo |
$4.59 |
| meth |
2,240,000/mo |
$2.64 |
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