title: In reply.
authors.affiliation: Department of Anesthesia, Beth Israel Deaconess Medical Center, Boston, MA, USA. Electronic address: spratt@bidmc.harvard.edu.
authors.forename: S D
authors.initials: SD
authors.lastname: Pratt
authors.affiliation: Department of Anesthesia, Beth Israel Deaconess Medical Center, Boston, MA, USA.
authors.forename: D W
authors.initials: DW
authors.lastname: Kaczka
authors.affiliation: Department of Anesthesia, Beth Israel Deaconess Medical Center, Boston, MA, USA.
authors.forename: P E
authors.initials: PE
authors.lastname: Hess
mesh_terms: D017217:Blood Patch, Epidural / Q000379:methods*; D004824:Epidural Space / Q000502:physiology*; D005260:Female; D006801:Humans; D051299:Post-Dural Puncture Headache / Q000628:therapy*; D011247:Pregnancy