Figure 3From: Relationship between treatment-seeking behaviour and artemisinin drug quality in GhanaDihydroartemisinin. Percentage of each drug found relative to the stated quantity on the box as measured against a reference standard (Sigma). * powder formulations for which the extraction method was not optimized; †dihydroartemisinin monotherapy drug; ‡ co-formulated drug standard (Sigma-Tau).Back to article page