title: Cannulation of the impalpable section of radial artery: preliminary clinical and ultrasound observations.
authors.forename: Andrew P
authors.initials: AP
authors.lastname: Gratrix
authors.forename: James D
authors.initials: JD
authors.lastname: Atkinson
authors.forename: Andrew R
authors.initials: AR
authors.lastname: Bodenham
mesh_terms: D002404:Catheterization / Q000379:methods*; D005260:Female; D006801:Humans; D016491:Peripheral Vascular Diseases / Q000503:physiopathology; D017534:Radial Artery / Q000000981:diagnostic imaging*; D012720:Severity of Illness Index; D018084:Ultrasonography, Interventional / Q000379:methods*