| tonic water | 0.54 |
| nutritional health prod… | 0.28 |
| cinchona bark | 0.25 |
| prove successful | 0.28 |
| delay the division of t… | 0.25 |
| create same symptoms | 0.25 |
| act as abortifacient | 0.16 |
| take day | 0.16 |
| irregular heartbeats | 0.16 |
| specific action | 0.39 |
| the drug of choice | 0.40 |
| alkaloid | 0.39 |
| used to treat malaria | 0.77 |
| prescribed | 0.53 |
| extracted | 0.49 |
| used to treat the disea… | 0.44 |
| used in common cold pre… | 0.42 |
| offered as non-medical … | 0.35 |
| used to treat arthritis | 0.32 |
| given by mouth | 0.30 |
| used to treat nocturnal… | 0.29 |
| given by injection | 0.29 |
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