Fig. 2From: Use of urinary naloxone levels in a single provider practice: a case studyDistribution of naloxone levels: a line histogram of naloxone concentrations (ng/ml) vs. the occurrence of values (count) is presented. Values are binned by 1000 s. Site 1 (dotted, orange line) and Site 2 (solid, blue line) are compared. An inset focused on a narrower range of valuesBack to article page