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
Phanikumar CV, Maitra B. Willingness-to-pay and preference heterogeneity for rural bus attributes. J Transp Eng A-Syst. 2007 Jan;133(1).