Book excerpt: Doody Rating : 5 stars : The contents of this book are focused on commonly encountered symptoms, with their differential diagnosis in a concise form, which will lead to a working diagnosis and investigations. The emphasis is on the axiom, 'common diseases present commonly, and its converse, uncommon diseases present uncommonly'. However, pointers to 'red flags', i.e. uncommon manifestations of common diseases should alert the physician of serious diseases not to be missed. No attempt has been made to discuss etiology or pathology of illness, or the complexities of practice management. The freq.