| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what class is phenobarbital | 0.3 | 0.5 | 7904 | 65 | 27 |
| what | 1.64 | 0.2 | 4112 | 44 | 4 |
| class | 1.09 | 0.1 | 6647 | 28 | 5 |
| is | 1.85 | 0.5 | 4157 | 44 | 2 |
| phenobarbital | 0.15 | 0.5 | 9975 | 36 | 13 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what class is phenobarbital | 0.74 | 0.4 | 4907 | 87 |
| phenobarbital drug class | 1.32 | 0.5 | 8284 | 10 |
| phenobarbital drug class schedule | 1.53 | 0.7 | 8272 | 62 |
| what class of drug is phenobarbital | 0.7 | 0.5 | 6448 | 47 |
| phenobarbital schedule class | 0.39 | 0.3 | 5417 | 54 |
| phenobarbital control class | 1.57 | 0.4 | 8497 | 45 |
| what schedule drug class is phenobarbital | 1.2 | 0.3 | 3191 | 53 |
| what schedule is phenobarbital | 0.46 | 0.8 | 921 | 58 |
| is phenobarbital a schedule 2 drug | 0.08 | 0.8 | 2351 | 81 |
| phenobarbital controlled drug class | 0.76 | 0.6 | 9064 | 14 |
| phenobarbital controlled substance schedule | 1.39 | 0.8 | 2006 | 57 |
| drug class for phenobarbital | 1.67 | 0.9 | 2953 | 77 |
| phenobarbital controlled substance class | 1.11 | 0.7 | 6500 | 98 |
| what class drug is phenobarbital | 0.86 | 0.5 | 1239 | 10 |
| what drug classification is phenobarbital | 1.45 | 0.5 | 7722 | 11 |
| what drug category is phenobarbital | 1.03 | 0.7 | 7206 | 74 |
| what schedule is pentobarbital | 1.03 | 0.4 | 8177 | 62 |
| phenobarbital a controlled substance | 0.56 | 0.6 | 7569 | 31 |
