Smith VK, Mansfield CA, Klaiber HA. Terrorist threats, information disclosures, and consumer sovereignty. Information economics and policy. 2013 Dec;25(4):225-34.
Campo R, Brullet E, Montserrat A, Calvet X, Rivero E, Brotons C. Topical pharyngeal anesthesia improves tolerance of upper gastrointestinal endoscopy: a randomized double-blind study. Endoscopy. 1995 Nov;27(9):659-64.