TY - JOUR T1 - Clinical decision units in the emergency department: old concepts, new paradigms, and refined gate keeping JF - Emergency Medicine Journal JO - Emerg Med J SP - 123 LP - 125 DO - 10.1136/emj.20.2.123 VL - 20 IS - 2 AU - T B Hassan Y1 - 2003/03/01 UR - http://emj.bmj.com/content/20/2/123.abstract N2 - This review looks at the background of clinical decision units/observation units and their role in the management of patients in the emergency department. ER -