TY - CHAP M1 - Book, Section TI - Chapter II-5. Cholecystitis–Ultrasonography A1 - Schwartz, David T. PY - 2008 T2 - Emergency Radiology: Case Studies AB - A 71-year-old man presented to the ED with right upper quadrant pain of two day’s duration. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/29 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=122714 ER -