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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: Drug Alcohol Depend. 2011 Nov 29;123(1-3):132–140. doi: 10.1016/j.drugalcdep.2011.10.029

Fig. 3.

Fig. 3

Individual participant data showing the incidence, timing (including onset time and duration), and severity of headaches for each dose condition. The y-axis shows the different dose conditions categorically. Each bar horizontal bar shows data for the participant number listed to right of the y-axis. Data are not shown for sessions without reported headache and sessions with missing data.