The McMaster Textbook of Internal Medicine is the first comprehensive Canadian textbook of internal medicine developed at McMaster University in Hamilton, Canada, the birthplace of problem-based learning and evidence-based medicine, in collaboration with the Polish Institute for Evidence Based Medicine. Covering the essential fields of internal medicine, the textbook aims to answer the needs of physicians, residents, medical students, and other medical professionals who seek access to updated verified medical knowledge useful in everyday practice. The textbook employs the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) system to indicate the Strength of Recommendations and Quality of Evidence. The team behind the McMaster Textbook of Internal Medicine includes nearly 500 expert contributors from around the world. By combining their expertise, the McMaster Textbook of Internal Medicine boasts a uniquely broad and versatile approach that enhances the practical value of the textbook. The print edition of the McMaster Textbook of Internal Medicine is a convenient compact textbook fitting snugly into your scrubs pocket.