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Title: Helpful, but with errors.
Review: This book offered many helpful pointers to a technician who hasn't done hospital work and needs some refreshing on mathematical procedures. But if you're turning to this book for Chapter 7's Top 200 Drugs, be prepared to learn incorrect information. There were strengths that weren't listed, incorrect strengths listed, and the use of the drugs was vague to questionable. The practice tests also differ from the actual certification test. I spent hours stressing and trying to memorize facts and dates that the actual test never even touched on. Some was helpful, but some was not quite right.
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