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Poklis, JL; Mulder, HA; Halquist, MS; Wolf, CE; Poklis, A; Peace, MR. The Blue Lotus Flower (Nymphea caerulea) Resin Used in a New Type of Electronic Cigarette, the Re-Buildable Dripping Atomizer.. Journal of psychoactive drugs. 2016, 49 (3): 175–181. PMID 28266899. doi:10.1080/02791072.2017.1290304.