Fig. 1From: Effects of process changes on emergency department crowding in a changing world: an interrupted time-series analysisNumber of emergency department visits during the 6-year study period. Abbreviations: ED, emergency department; HMC AH, Haaglanden Medical Center Antoniushove; HMC BR, Haaglanden Medical Center Bronovo; HMC WZ, Haaglanden Medical Center WesteindeBack to article page