Nishijima DK, Laurie AL, Weiss RE, Yagapen AN, Malveau SE, Adler DH, Bastani A, Baugh CW, Caterino JM, Clark CL, Diercks DB, Hollander JE, Nicks BA, Shah MN, Stiffler KA, Storrow AB, Wilber ST, Sun BC. Reliability of Clinical Assessments in Older Adults With Syncope or Near Syncope. Acad Emerg Med. 2016 09; 23(9):1014-21.