V. O. Tran, D. C. Nguyen, X. H. Nguyen, T. Q. Nguyen, A. Bomers-Schenk, and J. Notter, “An Exploratory Study of Nurse’s Belief and Knowledge About Pain Management for Conscious, Trauma Adult Patient in Emergency Department of Vietduc Hospital”, Thai J Surg, vol. 33, no. 2, Jun. 2012.