The Merck manual of diagnosis and therapy. [electronic resource] / David N. Holvey, editor.. — 12th ed.. — Rahway, N.J., : Merck Sharpe & Dohme, Div. of Merck & Co.,, 1972.. — xv, 1964 p. : illus. 19 cm. Subjects--Corporate Names: Merck & Co. Subjects--Topical Terms: Diagnosis.Therapy. LC Class. No.: RC71 / .M4 1972 Dewey Class. No.: 615.02 610.28