1. Pre-hospital administration of nitrous oxide for control of pain;Amey, B.D.; Ballinger, J.A.; Harrison, E.E.;Ann Emerg Med,1981
2. Effects on patient care of introducing pre-hospital intravenous nalbuphine hydrochloride;Hyland-McGuire, P.; Guly, H.R.;J Acc Emerg Med,1998
3. Pre-hospital pain management: a comparison of providers’ perceptions and practices;Hennes, H.; Kim, M.K.; Pirrallo, R.G.;Pre-hosp Emerg Care,2005
4. Few emergency medical services patients with lower-extremity fractures receive pre-hospital analgesia;McEachin, C.C.; McDermott, J.T.; Swor, R.;Pre-hosp Emerg Care,2002
5. Pre-hospital use of analgesia for suspected extremity fractures;White, L.J.; Cooper, J.D.; Chambers, R.M.; Gradisek, R.E.;Pre-hosp Emerg Care,2000