| methadone program | 1.51 | Many of those who dropped out switched to a methadone program. | ||
| methadone treatment | 1.38 | But methadone treatment is key, he said. | ||
| methadone clinic | 0.92 | A few states have no methadone clinics at all. | ||
| methadone maintenance | 0.39 | Or they are people who want to come off methadone maintenance. |