TY - RPRT TI - Using statistical process control to demonstrate the effect of operational interventions on quality indicators in the emergency department. AU - R A Schwab AU - S M DelSorbo AU - M R Cunningham AU - K Craven AU - W A Watson DO - 10.1111/j.1945-1474.1999.tb00975.x UR - https://pubmed.ncbi.nlm.nih.gov/10558057/ ID - 10558057 ER -