Use of hand-held Doppler to identify 'difficult' forearm veins for cannulation.
Whiteley
M
M
D002406:Catheterization, Peripheral / Q000379:methods*; D005542:Forearm / Q000098:blood supply*; D006801:Humans; D018616:Ultrasonography, Doppler, Duplex; D014680:Veins / Q000000981:diagnostic imaging