title: A practical tip: rings of blood for successful radial artery cannulation.
authors: Virendra Kumar
authors: VK
authors: Arya
authors: Rajeev
authors: R
authors: Subramanyam
mesh_terms: D000328:Adult; D001790:Blood Physiological Phenomena; D002406:Catheterization, Peripheral / Q000295:instrumentation / Q000379:methods*; D002648:Child; D006801:Humans; D017534:Radial Artery; D012039:Regional Blood Flow; D012867:Skin / Q000098:blood supply*