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Odinokov, V. ., Galyautdinov, I. ., Nedopekin, D. ., Khalilov, L. ., Shashkov, A. ., Kachala, V. ., … Lafont, R. (2002). Phytoecdysteroids from the juice of Serratula coronata L. (Asteraceae). Insect Biochemistry and Molecular Biology, 32(2), 161–165. doi:10.1016/s0965-1748(01)00106-0 
10.1016/S0965-1748(01)00106-0