- Abolhassani, M., 2004. Antibacterial effect of borage (Echium amoenum) on Staphylococcus aureus. Brazilian Journal of Infectious Diseases, 8(5): 382-385.
- Ait Mbarek, L., Ait Mouse, H., Elabbadi, N., Bensalah, M., Gamouh, A., Aboufatima, R., Benharref, A., Chait, A., Kamal, M. and Dalal, A., 2007. Anti-tumor properties of blackseed (Nigella sativa L.) extracts. Brazilian Journal of Medical and Biological Research, 40(6): 839-847.
- Berridge, M.V., Herst, P.M. and Tan, A.S., 2005. Tetrazolium dyes as tools in cell biology: new insights into their cellular reduction. Biotechnology Annual Review, 11: 127-152.
- Berridge, M.V. and Tan, A.S., 1993. Characterization of the cellular reduction of 3-(4,5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT): subcellular localization, substrate dependence, and involvement of mitochondrial electron transport in MTT reduction. Archives of Biochemistry and Biophysics, 303(2): 474-482.
- Chang, H.F., Huang, W.T., Chen, H.J. and Yang, L.L., 2010. Apoptotic effects of γ-mangostin from the fruit hull of Garcinia mangostana on human malignant glioma cells. Molecules, 15(12): 8953-8966.
- Denizot, F. and Lang, R., 1986. Rapid colorimetric assay for cell growth and survival: modifications to the tetrazolium dye procedure giving improved sensitivity and reliability. Journal of Immunological Methods, 89(2): 271-277.
- Etebari, M., Zolfaghari, B., Jafarian-Dehkordi, A. and Rakian, R., 2012. Evaluation of DNA damage of hydro-alcoholic and aqueous extract of Echium amoenum and Nardostachys jatamansi. Journal of research in medical sciences, 17(8): 782-786.
- Firoozan, J., 2019. Evaluation of cytotoxic effect of Echium amoenum Fisch & C.A. Mey. and Cuscuta epithymum extracts on breast cancer cells in in vitro system. Dissertation, Tabriz University of Medical Sciences, 18: 825-831.
- Fotakis, G. and Timbrell, J.A., 2006. In vitro cytotoxicity assays: comparison of LDH, neutral red, MTT and protein assay in hepatoma cell lines following exposure to cadmium chloride. Toxicology Letters, 160(2): 171-177.
- Grecco, S.D.S., Martins, E.G.A., Girola, N., de Figueiredo, C.R., Matsuo, A.L., Soares, M.G., Bertoldo, B.D.C., Sartorelli, P. and Lago, J.H.G., 2015. Chemical composition and in vitro cytotoxic effects of the essential oil from Nectandra leucantha leaves. Pharmaceutical Biology, 53(1): 133-137.
- Hayon, T., Dvilansky, A., Shpilberg, O. and Nathan, I., 2003. Appraisal of the MTT-based assay as a useful tool for predicting drug chemosensitivity in leukemia. Leukemia & Lymphoma, 44(11): 1957-1962.
- Heidari, M.R., Azad, E.M. and Mehrabani, M., 2006. Evaluation of the analgesic effect of Echium amoenum Fisch & C.A. Mey. extract in mice: possible mechanism involved. Journal of Ethnopharmacolgy, 103(3): 345-349.
- Iselt, M., Holtei, W. and Hilgard, P., 1989. The tetrazolium dye assay for rapid in vitro assessment of cytotoxicity. Arzneimittel-Forschung, 39(7): 747-749.
- Khan, M., Xiao, Y., Yu, B., Wang, N., Rasul, A., Yi, F., Yang, L., Yang, H., Ma, T. and Artabotryside, A., 2012. A constituent from Descurainia sophia (L.) induces cell death in U87 glioma cells through apoptosis and cell cycle arrest at G2/M phase. Journal of Medicinal Plants Research, 6(21): 3754-3765.
- Khanavi, M., Pourmoslemi, S., Farahanikia, B., Hadjiakhoondi, A. and Ostad, S.N., 2010. Cytotoxicity of Vinca minor. Pharmaceutical Biology, 48(1): 96-100.
- Mehrabani, M. and Mehrabani, M., 2007. Evaluation of hepatotoxicity of common doses of decoction of Echium amoenum Fisch and CA Mey in rats. Journal of Kerman University of Medical Sciences, 14(1): 44-54.
- Mehrabani, M., Ghannadi, A., Sajjadi, S.E., Ghassemi, N. and Shams-Ardakani, M., 2006. Toxic pyrrolizidine alkaloids of Echium amoenum Fisch and Mey. Daru, 14: 122-127.
- Mohammadpour, G., Tahmasbpour, R., Noureini, S., Tahmasbpour, E. and Bagherpour, G., 2015. In vitro antimicrobial and cytotoxicity assays of Satureja bakhtiarica and Zataria multiflora essential oils. American Journal of Phytomedicine and Clinical Therapeutics, 3(6): 502-511.
- Rabbani, M., Sajjadi, S., Vaseghi, G. and Jafarian, A., 2004. Anxiolytic effects of Echium amoenum on the elevated plus-maze model of anxiety in mice. Fitoterapia, 75(5): 457-464.
- Sayyah, M., Boostani, H., Pakseresht, S. and Malaieri, A., 2009. Efficacy of aqueous extract of Echium amoenum in treatment of obsessive-compulsive disorder. Progress in Neuro-Psychopharmacology & Biological Psychiatry, 33(8): 1513-1516.
- Silva, D.S., Garcia, A.C., Mata, S.S., Oliveira, B.D., Estevam, C.S., Scher, R. and Pantaleao, S.M., 2011. Genotoxicity and cytotoxicity of Erythrina velutina Willd. Fabaceae, on the root meristem cells of Allium cepa. Revista Brasileira de Farmacognosia, 21(1): 92-97.
- Stegelmeier, B.L., 2011. Pyrrolizidine alkaloid-containing toxic plants (Senecio, Crotalaria, Cynoglossum, Amsinckia, Heliotropium, and Echium spp.). Veterinary Clinics: Food Animal Practice, 27(2): 419-428.
- Tapsell, L.C., Hemphill, I., Cobiac, L., Sullivan, D.R., Fenech, M., Patch, C.S., Roodenrys, S., Keogh, J.B., Clifton, P.M. and Williams, P.G., 2006. Health benefits of herbs and spices: the past, the present, the future. Medical Journal of Australia, 185(4): S4-24.
- Timothy, S.T. and Richard, L.K., 2007. Herbal Products, Toxicology and Clinical Pharmacology. New Jersey: Humana Press, 288p.
- Vivek, R., Thangam, R., Muthuchelian, K., Gunasekaran, P., Kaveri, K. and Kannan, S., 2012. Green biosynthesis of silver nanoparticles from Annona squamosa leaf extract and its in vitro cytotoxic effect on MCF-7 cells. Process Biochemistry, 47(12): 2405-2410.
- Yao, T. and Asayama, Y., 2017. Animal-cell culture media: History, characteristics, and current issues. Reproductive Medicine and Biology, 16(2): 99-117.
- Yuan, Q., Zhang, X., Liu, Z., Song, S., Xue, P., Wang, J. and Ruan, J., 2013. Ethanol extract of Adiantum capillus-veneris L. suppresses the production of inflammatory mediators by inhibiting NF-κB activation. Journal Ethnopharmacology, 147(3): 603-611.