John R. O'Brien

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John R. O'Brien is in following lists

By field of work

Notable people in healthcare and medicine

Gender:Male, Born in:Years 1900 to 1929

By work and/or country

Notable Physicians

Gender:Male, Born in:Years 1900 to 1929

Notable Hematologists

Gender:Male, Born in:Years 1900 to 1929

By category

1915 births

2002 deaths

20th-century English medical doctors

British haematologists

People from London