1. Kobusingye OC, Hyder AA, Bishai D, Hicks ER, Mock C, Joshipura M: Emergency medical systems in low- and middle-income countries: recommendations for action. Bull World Health Organ. 2005, 83 (8): 626-631.
2. Roudsari BS, Nathens AB, Arreola-Risa C, Cameron P, Civil I, Grigoriou G, Gruen RL, Koepsell TD, Lecky FE, Lefering RL, et al: Emergency Medical Service (EMS) systems in developed and developing countries. Injury. 2007, 38 (9): 1001-1013.
3. Al-Shaqsi S: Models of International Emergency Medical Service (EMS) Systems. Oman Med J. 2010, 25 (4): 320-323.
4. Razzak JA, Kellermann AL: Emergency medical care in developing countries: is it worthwhile?. Bull World Health Organ. 2002, 80 (11): 900-905.
5. Kobusingye OC, Hyder AA, Bishai D, Joshipura M, Hicks ER, Mock C: Emergency Medical Services. Disease Control Priorities in Developing Countries. Edited by: Jamison DT, Breman JG, Measham AR, Alleyne G, Claeson M, Evans DB, Jha P, Mills A, Musgrove P. 2006, Washington (DC), 2