Coupled with the growth of the World Wide Web, the topic of health information retrieval has had a tremendous impact on consumer health information. With the aid of newly added questions and discussions at the end of each chapter, this Second Edition covers theory practical applications, evaluation, and research directions of all aspects of medical information retireval systems.

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Preface and Acknowledgments; Section I. Basic Concepts; Chapter 1. Terms, Models, and Resources; Chapter 2. Health Information; Chapter 3. System Evaluation; Section II. State of the Art; Chapter 4. Content; Chapter 5. Indexing; Chapter 6. Retrieval; Chapter 7. Evaluation; Section III. Research Directions; Chapter 8. Statistical Systems; Chapter 9. Linguistic Systems; Chapter 10. Other Research; Section IV. Special Topics; Chapter 11. The Clinical Narrative; Appendix; Sample Documents of Indexing and Retrieval; Index