Barriers to surgery in low- and middle-income countries: Patient perceptions in Vietnam - C. Yao; J. Swanson; D. Chanson; T.B. Taro; B. Gura; J.C. Figueiredo; H. Wipfli; K. Hatcher; E. McCrane; R. Vanderburg; W.P. Magee (Ubiquity Press, 2016)