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. 2017 Jan 13;16:27. doi: 10.1186/s12936-017-1680-8

Fig. 4.

Fig. 4

Ex vivo response to DHA and in vitro response to piperaquine of parasites collected from patients following dihydroartemisin–piperaquine treatment using ring stage assay (RSA) and piperaquine survival assay (PSA), respectively. Black dots represented for parasites from recrudescent cases, white dots represented for parasite from ACPR cases. The Plasmodium falciparum lines of 3D7 and K1 are controls