Stem Cell Breakthrough: Artificial Trachea Implant Saves Toddler Hannah Warren's Life

Hannah Warren, 2A1 2, was born was without a trachea, but an artificial nanofiber implant seeded with her bone marrow cells promises full recovery.

http://www.medicaldaily.com/articles/15019/20130430/stem-cell-breakthrough-artificial-trachea-implant-saves.htm