Over the summer, Chicago-based cardiologist Dr. Sandeep Nathan received a phone call that a patient was in trouble.
원문출처 : https://www.cnn.com/2020/11/09/health/vital-signs-snake-venom-spc-scn-intl-wellness/index.html
원문출처 : https://www.cnn.com/2020/11/09/health/vital-signs-snake-venom-spc-scn-intl-wellness/index.html