RT @MedicaIGuide: Using a serrated saw to cut through the sternum in order for open heart surgery #medicalguide https://t.co/qXzC9xx3Or

RT @MedicaIGuide: Using a serrated saw to cut through the sternum in order for open heart surgery #medicalguide https://t.co/qXzC9xx3Or (http://twitter.com/muhamadiqbaldar/status/935409316068126721)