Nye, M., Sweeny, A., Watkins, S., Ingold, J. and Sharwood, P., 2020. Difficult vascular access in hospitalised patients: Delays to treatment, cannulation attempts, and use of ultrasound. Vascular Access, 6(1), p.5.https://search.informit.com.au/documentSummary;dn=139113782040173;res=I…