All the authority of the most trusted brand in medical content in a convenient, portable guideA Doody's Core HARRISONS MANUAL OF MEDICINE 20TH EDITIOs for 2023! The Harrison's Manual, derived from most clinically salient content featured in Harrison's Principles of Internal Medicine, 20th Edition, delivers numerous clinical algorithms in one practical, portable resource. The Manual also includes abundant quick reference tables, plus concise text-providing rapid access to bedside information when decisions need to be made quickly.