This document discusses the administration of contaminated nonunions of the tibia. It begins by defining a nonunion and describing the variables that could potentially cause nonunions, such as regional components like infection and systemic aspects like smoking. It then discusses the microbiology of infected nonunions, classifying methods for infected nonunions, https://www.theorthopaedicandpainpractice.com/subtrochanteric-fractures-what-is-it-2/