Canadian Archives    There are some good articles beside the main article. This information is excellent.

Canadian Encyclopedia     Heart disease and history of medical discoveries and advancements. At the bottom of the article are links to Health Canada, and Heart & Stroke.

Canadian Encyclopedia   An introduction to Dr. Bigelow and invention of pacemaker.

Canadian Medical Hall of Fame … more about Dr. Bigelow

Obituary notice    article reporting his death and accomplishments

Uof T article  about Bigelow      This may not have new info, but it does have quotes from Dr. Bigelow and others who talk about Dr. Bigelow.