Olsen ,June looby . Module M: medical dosage calculations / une Looby Olsen - 2d ed . - Menlo Park, Calif. : Benjamin/Cummings,; c1979 . - 120 p : ill .; 24 cm. - Series in mathematics modules. . Includes index. ISBN: 0846502461 Subjects--Topical Terms: Drugs -- Dosage. Pharmaceutical arithmetic.Drung LC Class. No.: RS57 / .O571979