Marshall, Shane A. Principles & protocols / - 5th ed. - St. Louis, Mo. : Saunders/Elsevier, 2011. - xxi, 592p ill. - On call . ISBN: 9781437723717 1437723713 Subjects--Topical Terms: Medical emergenciesMedical consultationEmergenciesEmergency Medicine LC Class. No.: MED RC86.7 / G55