Fig. 1From: Subjective symptoms and serum methadone concentrations: what should guide dose adjustments in methadone maintenance treatment? A naturalistic cohort study from NorwayScatter plot with regression line by recorded total SOWSa scores and measured serum methadone concentrations in 83 participants. The solid and dashed lines represent the regression line and 95% confidence intervals. a Subjective opioid withdrawal symptomsBack to article page