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Al-Oqail, Mai M., Maqsood A. Siddiqui, Ebtesam S. Al-Sheddi, Quaiser Saquib, Javed Musarrat, Abdulaziz A. Al-Khedhairy, och Nida N. Farshori. "Verbesina Encelioides: Cytotoxicity, Cell Cycle Arrest, and Oxidative DNA Damage in Human Liver Cancer (HepG2) Cell Line." BMC Complement Altern Med 2016.

Al-Oqail, Mai M., et al. "Verbesina Encelioides: Cytotoxicity, Cell Cycle Arrest, and Oxidative DNA Damage in Human Liver Cancer (HepG2) Cell Line." BMC Complement Altern Med 2016.