Berkow, Robert; Andrew J. Fletcher; and Mark H. Beers, eds.The Merck Manual of Medical Information. Merck Research Laboratories, 1997. A consumer version of Merck Manual of Diagnosis and Therapy.
Zaret, Barry L., and others, eds.The Patient's Guide to Medical Tests. Houghton Mifflin, 1997. Covers hundreds of commonly performed diagnostic tests; discusses test results and follow-up.