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Professional
Consumer
Merck Manual
Professional Version
MEDICAL TOPICS
RESOURCES
DRUG INFO
COMMENTARY
PROCEDURES
QUIZZES
ABOUT US
MEDICAL TOPICS
RESOURCES
Professional
/
About the Merck Manuals
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Authors
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matthew e. levison
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Matthew E. Levison, MD
Affiliations
Adjunct Professor of Medicine
Drexel University College of Medicine
Professor School of Public Health
Drexel University
Manual Chapters and Commentaries
Commentaries
Identifying Drug-Resistant Tuberculosis—Commentary
Commentaries