1. Holmes OW. Some of my early teachers. In: Medical essays, edited by Holmes. Boston: The Boston Society for the Diffusion of Useful Knowledge; 1842.
2. King LS. Why not say it clearly? Boston: Little, Brown; 1978:5.
3. Callaham M, Wears RL, Weber E. Journal prestige, publication bias, and other characteristics associated with citation of published studies in peer-reviewed journals. JAMA. 2002;287:2847–2850.
4. Norton SA. Read this but skip that. J Am Acad Dermatol. 2001;44:714–715.
5. The New England Journal of Medicine. Instructions for submission. Available at: http://www.nejm.org/page/author-center/manuscript-submission .