Diphtheria: Its Nature And Treatment, Varieties And Local Expressions is a book written by Mackenzie and Morell in 1879. The book provides a comprehensive overview of diphtheria, its causes, symptoms, and treatment options. It also discusses the various types of diphtheria and their local expressions in different parts of the body.The authors begin by describing the history of diphtheria and its prevalence in different parts of the world. They then...