Dr. Richard Barr's actions did not cause his patient's stroke two days after a lithotripsy, but he should have made sure the patient was informed about a plan for discontinuing his anticoagulation medication.
Dr. Nili Kaplan-Myrth wasn't the only one targeted in the letter. Its author also threatened the College of Physicians and Surgeons of Ontario, 'if you side with her barbarian pseudoscientific ass.'