title: What caused the unilateral epidurogram and bilateral epidural analgesia?
authors.forename: F
authors.initials: F
authors.lastname: Asato
authors.forename: F
authors.initials: F
authors.lastname: Goto
mesh_terms: D015360:Analgesia, Epidural; D003287:Contrast Media; D004824:Epidural Space; D007839:Functional Laterality; D006801:Humans; D011859:Radiography; D013131:Spine / Q000000981:diagnostic imaging*
chemical_list: D003287:Contrast Media