Short- vs long-axis approach to ultrasound-guided peripheral intravenous access: a prospective randomized study.
Mahler SA, Wang H, Lester C, Skinner J, Arnold TC, Conrad SA. Short- vs long-axis approach to ultrasound-guided peripheral intravenous access: a prospective randomized study. Am J Emerg Med. 2011 Nov; 29(9):1194-7.