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. Author manuscript; available in PMC: 2013 Mar 26.
Published in final edited form as: Am J Drug Alcohol Abuse. 2013 Mar;39(2):86–91. doi: 10.3109/00952990.2012.762372

Figure 1.

Figure 1

Time points throughout the day at which study drug (aprepitant or placebo) and methadone were administered over the approximate 10-day duration of the study. PBO = placebo, APR = aprepitant, MTD = methadone.