title: Reply to: posterior wall puncture during ultrasound-guided arterial cannulation suggests inadequate operator skills.
authors.affiliation: From the Department of Anesthesiology and Pain Medicine, Seoul National University Hospital Seoul, Seoul, Republic of Korea.
authors.forename: In-Kyung
authors.initials: IK
authors.lastname: Song
authors.forename: Jin-Tae
authors.initials: JT
authors.lastname: Kim
mesh_terms: D002404:Catheterization; D002405:Catheterization, Central Venous; D006801:Humans; D007601:Jugular Veins; D011677:Punctures