Buchholz, Susan. Henke's med-math : dosage calculation, preparation & administration / Susan Buchholz and Grace Henke. - 5th ed. - Philadelphia : Lippincott Williams and Wilkins, 2009. - xvi, 464p. : ill. ISBN: 9780781776288 Subjects--Topical Terms: Pharmaceutical arithmetic.Pharmaceutical Preparations --Administration & dosage --Nurses? Instruction.Pharmaceutical Preparations --Administration & dosage --Programmed Instruction.Drug Dosage Calculations --Nurses's Instruction.Drug Dosage Calculations --Programmed Instruction. LC Class. No.: RS 57 .H46 BUC 2006