title: Erratum to: Magnetic-nanobead-based competitive enzyme-linked aptamer assay for the analysis of oxytetracycline in food.
authors.affiliation: Analysis and Testing Center, Xinjiang Academy of Agriculture and Reclamation Science, Wuyi Road No. 221, Shihezi, 832000, China, shzlcx2002@163.com.
authors.forename: Chunxia
authors.initials: C
authors.lastname: Lu
authors.forename: Zonggui
authors.initials: Z
authors.lastname: Tang
authors.forename: Changbin
authors.initials: C
authors.lastname: Liu
authors.forename: Lichao
authors.initials: L
authors.lastname: Kang
authors.forename: Fengxia
authors.initials: F
authors.lastname: Sun