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Title: Who pioneered open-heart surgery, and with two electronic engineers, perfected a pacemaker? Post by: nameless23 on Jan 26, 2018 Who pioneered open-heart surgery, and with two electronic engineers, perfected a pacemaker?
A) Charles Hufnagel B) Jonas Salk C) C. Walton Lillehei D) Ake Senning Title: Who pioneered open-heart surgery, and with two electronic engineers, perfected a pacemaker? Post by: Kojico on Jan 26, 2018 Content hidden
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