title: Most reported subdural injections are not in the subdural space, they are intradural! Reply to dr. Collier.
authors.forename: Nir
authors.initials: N
authors.lastname: Hoftman
authors.forename: F Michael
authors.initials: FM
authors.lastname: Ferrante
mesh_terms: D015360:Analgesia, Epidural; D000779:Anesthetics, Local / Q000008:administration & dosage*; D004388:Dura Mater / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007268:Injections, Epidural; D008875:Middle Aged; D011859:Radiography; D013355:Subdural Space / Q000000981:diagnostic imaging
chemical_list: D000779:Anesthetics, Local