title: A vaginal ultrasound probe is better than nothing.
authors.forename: P
authors.initials: P
authors.lastname: Picton
authors.forename: H
authors.initials: H
authors.lastname: Brownlow
mesh_terms: D002343:Carotid Artery, Internal / Q000000981:diagnostic imaging; D002405:Catheterization, Central Venous / Q000379:methods*; D005260:Female; D006801:Humans; D007601:Jugular Veins / Q000000981:diagnostic imaging*; D014463:Ultrasonography / Q000295:instrumentation; D014621:Vagina