Mangel A, Lothman K. Commentary: emergence of a new paradigm in understanding the cardiovascular system: pulse synchronized contractions. Cardiovasc Pharm Open Access. 2017;6(5):220. doi: 10.4172/2329-6607.1000220
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.