April 2012 references and further reading
Overuse, underuse, and valuable use
Qaseem A, Alguire P, Dallas P, Feinberg LE, Fitzgerald FT, Horwitch C, Humphrey L, LeBlond R, Moyer D, Wiese JG, Weinberger S. Appropriate use of screening and diagnostic tests to foster high-value, cost-conscious care. Annals of Internal Medicine 2012; 156:147-49.
What's at the heart of fainting?
Cooper PN, Westby M, Pitcher DW, Bullock I. Synopsis of the National Institute for Health and Clinical Excellence Guideline for management of transient loss of consciousness. Annals of Internal Medicine 2011; 155:543-49.