1. Allan Horwitz and Jerome Wakefield, The Loss of Sadness: How Psychiatry Transformed Normal Sorrow into Depressive Disorder (New York: Oxford University Press, 2007), p. 132.
2. On mistaking cases presented to a doctor for cases in the community, see Eliot Freidson, Profession of Medicine (New York: Dodd, Mead, 1970), pp. 269–73.
3. Nima Sharifi and Barnett Kramer, “Screening for Prostate Cancer: Current Status and Future Prospects,” American Journal of Medicine 120 (2007): 743.
4. Simon Gilbody, Trevor Sheldon, and Simon Wessely, “Should We Screen for Depression?” BMJ 332 (2006): 1027.
5. Steven Woolf, “Screening for Prostate Cancer with Prostate-Specific Antigen,” New England Journal of Medicine 333 (1995): 1402.