About John Petro
John Petro was a physician.
John Petro was a doctor who gained notoriety for prescribing controlled drugs in 1960s Britain.
Petro was one of the first doctors to administer penicillin with Alexander Fleming.
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Who was John Petro?
physician
What was John Petro's occupation?
John Petro was a physician.
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Cite this page
APA: Biography.guide. (2026). John Petro. https://biography.guide/john-petro-physician/
MLA: "John Petro." Biography.guide, https://biography.guide/john-petro-physician/.
Chicago: "John Petro." Biography.guide. https://biography.guide/john-petro-physician/.
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