Berkow, R., Beers, M. H., & Fletcher, A. J. (1996). The Merck manual of diagnosis and therapy. Merck Research laboratories.
Chicago-viite (17. p.)Berkow, Robert, Mark H. Beers, ja Andrew J. Fletcher. The Merck Manual of Diagnosis and Therapy. Rahway, N. J: Merck Research laboratories, 1996.
MLA-viite (8. p.)Berkow, Robert, et al. The Merck Manual of Diagnosis and Therapy. Merck Research laboratories, 1996.
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