Retraction of: 'Swerchirin exerts anticancer activity on SKOV3 human ovarian cancer cells via induction of mitochondrial apoptosis, G2/M cell cycle arrest and inhibition of Raf/MEK/ERK cascade', by Lan Luo, Haibo Zhao, Qian Luo, JBUON 2018;23(1):111-116; PMID:29552769. Following the publication of the above article, readers drew to our attention that part of the data was unreliable. The authors were requested to provide the raw data to prove the originality, but were unable to do so. After an investigation, the Editors of JBUON decided to retract this article. We thank the readers for bringing this matter to our attention. We apologize for any inconvenience it may cause.