Beers, M. H., & Berkow, R. (1950). The Merck manual of diagnosis and therapy. Merck.
Lua i Stíl Chicago (17ú heag.)Beers, Mark H., agus Robert Berkow. The Merck Manual of Diagnosis and Therapy. Rahway, N.J.: Merck, 1950.
Lua MLA (8ú heag.)Beers, Mark H., agus Robert Berkow. The Merck Manual of Diagnosis and Therapy. Merck, 1950.
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