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)