Arbune, A. ., Wackerbarth, S. ., Allison, P. ., & Conigliaro, J. . (1969). Improvement through Small Cycles of Change: Lessons from an Academic Medical Center Emergency Department. Journal for Healthcare Quality : Official Publication of the National Association for Healthcare Quality, 39(5), 259-269. https://doi.org/10.1111/jhq.12078 (Original work published 1969)