Is the Climb Worth the View? The Savings/Alert Ratio for Reducing Vitamin D Testing. - Chase D. Hendrickson; Michael F. McLemore; Kathryn M. Dahir; Shari Just; Zahra Shajani-Yi; Joseph Legrand; Christoph U. Lehmann; Asli Weitkamp (Appl. Clin. Inform., 2020)