Media type: E-Article Title: Proton beam therapy should remain in the public domain Contributor: Hijal, Tarek; Freeman, Carolyn R.; Seuntjens, Jan imprint: CMA Joule Inc., 2019 Published in: Canadian Medical Association Journal Language: English DOI: 10.1503/cmaj.73445 ISSN: 1488-2329; 0820-3946 Keywords: General Medicine Origination: Footnote: Access State: Open Access