For doctors, necessity really is the mother of invention — Financial Post

While doing his residency in medical microbiology at University of Toronto, Dr. Paul Lem thought about how he could have an impact on more than just one patient at a time. “I saw a man from Northern Ontario. His chest X-ray looked like a snowstorm. He had end-stage tuberculosis that had destroyed his lungs,” he…

via For doctors, necessity really is the mother of invention — Financial Post