TY - JOUR AU - Ong, Luei W. AU - Dawson, Jeffrey D. AU - Ely, John W. L2 - http://journals.stfm.org/familymedicine/2018/june/ely-2017-0285 L1 - http://journals.stfm.org/media/1643/ely-2017-0285.pdf TI - Black Clouds vs Random Variation in Hospital Admissions ER -