Two weeks ago, we joined four other medical journals in a venture in electronic publishing. Although the technology may be unfamiliar, it offers a useful tool for searching the medical literature. Called BRS/Saunders Colleague, it is an electronic data base containing the complete texts of the five participants: the Annals of Internal Medicine, the British Medical Journal, The Lancet, The Medical Letter, and this journal. Colleague allows people with personal computers (or access to terminals on large systems) to take advantage of this pool of information.A journal in electronic format serves as its own index; in such a . . .