https://royalpatiala.in/tag/renowned-cardiac-surgeon-of-north-india/
renowned cardiac surgeon of north india Archives - Royal Patiala
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https://www.wbrz.com/news/world-renowned-cardiac-surgeon-dr-john-ochsner-dies
World-renowned cardiac surgeon Dr. John Ochsner dies
World-renowned cardiac surgeon Dr. John Lockwood Ochsner, whose father co-founded the Ochsner Health System, has died.
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