The fully updated Third Edition of this successful learning text makes accurate dosage calculation easier than ever. Using the proven dimensional analysis method, this skill-building guide uses a systematic approach to problem solving that lets you compute the correct dosage -- every time! Moving from simple to complex problems, the book's unique "Unit Path" technique lets you visualize the proper approach to each calculation. With this text, you'll solve real-life dosage equations and conversions without time-consuming memorization -- while reducing errors and building confidence. Book jacket.