Endocrine Board Review 2023, Reference Edition is a self-study resource with approximately 240 case-based, American Board of Internal Medicine (ABIM) style, multiple-choice questions in endocrinology, diabetes, and metabolism. Each case is discussed in detail with comprehensive answer explanations and references provided. Customers are advised that this book is a reference edition and the questions in it are designed for self-study and reference. The content is the same as the non-reference edition, but CME and MOC credits are not available upon completion of the material. Anyone with questions about CME and/or MOC credits should consult www.endocrine.org/store for further information.