RT Book, Section A1 Altkorn, Diane A2 Stern, Scott D.C. A2 Cifu, Adam S. A2 Altkorn, Diane SR Print(0) ID 1185661744 T1 Understanding Test Results T2 Symptom to Diagnosis: An Evidence-Based Guide, 4e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260121117 LK accessmedicine.mhmedical.com/content.aspx?aid=1185661744 RD 2024/11/13 AB How do I know whether a test is really useful—whether it will really shift the probability of disease across a threshold?