Figure 3

Annual treatment probability by time since onset (GIF). Joint annual probability of being in treatment for at least one day among all regular heroin users of the 11 cantons of Switzerland that provided year of onset, 2001–2006.
Annual treatment probability by time since onset (GIF). Joint annual probability of being in treatment for at least one day among all regular heroin users of the 11 cantons of Switzerland that provided year of onset, 2001–2006.