title: [Preparation and identification of zinc-free bovine insulin].
authors.affiliation: jefferschen@163.com
authors.forename: Jianfeng
authors.initials: J
authors.lastname: Chen
authors.forename: Wei
authors.initials: W
authors.lastname: Zhang
authors.forename: Liuyin
authors.initials: L
authors.lastname: Fan
authors.forename: Jicun
authors.initials: J
authors.lastname: Ren
authors.forename: Chengxi
authors.initials: C
authors.lastname: Cao
mesh_terms: D000818:Animals; D002417:Cattle; D007328:Insulin / Q000737:chemistry* / Q000302:isolation & purification*; D021241:Spectrometry, Mass, Electrospray Ionization; D015032:Zinc / Q000737:chemistry*
chemical_list: D007328:Insulin; D015032:Zinc