niques, and Correlations, Ninth Edition is the most student-friendly clinical chemistry text available today. The Ninth Edition keeps students at the forefront of what continues to be one of the most rapidly advancing areas of laboratory medicine with clear explanations that balance analytic principles, techniques, and correlation of results with coverage of disease states. The book not only demonstrates the how of clinical testing, but also the what, why, and when of testing correlations to help students develop the knowledge and interpretive and analytic skills they'll need in their future careers.