This doc discusses the administration of contaminated nonunions from the tibia. It commences by defining a nonunion and describing the components that may cause nonunions, such as area factors like an infection and systemic things like smoking. It then discusses the microbiology of infected nonunions, classifying units for infected nonunions, https://www.theorthopaedicandpainpractice.com/subtrochanteric-fractures-what-is-it-2/