title: A convenient alternative for monitoring opening pressure during multiple needle redirection.
authors.affiliation: Taipei, Taiwan.
authors.forename: J-A
authors.initials: JA
authors.lastname: Lin
authors.forename: H-T
authors.initials: HT
authors.lastname: Lu
mesh_terms: D000399:Air Pressure; D000779:Anesthetics, Local / Q000008:administration & dosage*; D006801:Humans; D009339:Needles; D009407:Nerve Block / Q000379:methods*
chemical_list: D000779:Anesthetics, Local