Endocrine Self-Assessment Program (ESAP™), Reference Edition 2019 is a self-study curriculum for physicians and health professionals wanting a self assessment and a broad review of endocrinology. It consists of 120 brand-new multiple choice questions in all areas of endocrinology, diabetes, and metabolism. There is extensive discussion of each correct answer, a comprehensive syllabus, and references. ESAP is updated annually with new questions. 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.