Quan M, Cho N, Bushell T, Mak J, Nguyen N, Litwak J, Rockwood N, Nguyen HB. Effectiveness of angiotensin II for catecholamine refractory septic or distributive shock on mortality: a propensity core weighted analysis of real-world experience in the medical ICU. Crit Care Explor. 2022 Jan 18;4(1):e0623. doi: 10.1097/CCE.0000000000000623
Pring CM, Skelding-Millar L, Goodall RJ. Expectant treatment or cholecystectomy after endoscopic retrograde cholangiopancreatography for choledocholithiasis in patients over 80 years old? Surg Endosc. 2005 Mar;19(3):357-60.