TY - BOOK AU - Seltzer, Meta Brown. AU - Mulholland, Joyce M. TI - Drug calculations : ratio and proportion problems for clinical practice SN - 9780323077507 PY - 2012/// CY - St. Louis, Mo : PB - Elsevier/Saunders, KW - 1.Pharmaceutical Arithmetic-Problems, Exercises, etc. 2.Pharmaceutical Preparations-Administration & Dosage 3.Mathematics-Problems and Excercises 4.Mathematics-Programmed Instruction ER -