PIER Sections Disease modules: Evidence-based guidance on diagnosis and management of more than 320 diseases Screening and Prevention modules: Best evidence to support rational use of screening and prevention measures in healthy people Complementary/Alternative Medicine modules: Overview of modalities frequently used by patients and CAM management of common medical problems Ethical and Legal Issues modules: Background and guidance in approaching common legal and ethical dilemmas that arise in daily practice Procedures modules: Details of commonly ordered diagnostic and therapeutic tests and interventions Drug Resource: Comprehensive third-party database of pharmacologic agents Clinical Presentations: Flow-diagram approaches to diagnosing undifferentiated symptoms, signs, and laboratory abnormalities (not yet available) Next Contents The information in PIER should never be used as a substitute for clinical judgment and does not represent an official position of ACP. PIER is copyrighted (c) 2009 by the American College of Physicians, 190 N. Independence Mall West, Philadelphia, PA 19106-1572, USA.