This doc discusses the administration of contaminated nonunions of the tibia. It starts by defining a nonunion and describing the things that may cause nonunions, which include area factors like infection and systemic components like using tobacco. It then discusses the microbiology of contaminated nonunions, classifying techniques for contaminated nonunions, https://www.theorthopaedicandpainpractice.com/subtrochanteric-fractures-what-is-it-2/