RT Book, Section A1 Sandfoss, Carlos A. A1 Bronner, Jonathan A2 Stone, C. Keith A2 Humphries, Roger L. SR Print(0) ID 1176287295 T1 Arthritis & Back Pain T2 CURRENT Diagnosis & Treatment: Emergency Medicine, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071840613 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1176287295 RD 2024/04/19 AB See Figure 21–1.