Derivation of a cardiac arrest prediction model using ward vital signs*. - Churpek MM; Yuen TC; Park SY; Meltzer DO; Hall JB; Edelson DP; Churpek, Matthew M; Yuen, Trevor C; Park, Seo Young; Meltzer, David O; Hall, Jesse B; Edelson, Dana P (Critical Care Medicine, 2012)