Side-effects, tests, and results: Medical professionals break down the Pfizer vaccine. Here’s what they know and don’t know: | The Star
https://www.thestar.com/news/canada/2020/12/29/side-effects-tests-and-results-medical-professionals-break-down-the-pfizer-vaccine-heres-what-they-know-and-dont-know.html Roland. Toronto.
