Posted January 19, 2021 https://abc11.com/health/duke-health-has-life-saving-tool-against-carbon-monoxide-poisoning-/9657437/?fbclid=IwAR1DOwgI2Suv6YyqW_WTOIp2uhfMBpxnuTxLAaQ3L7w6rYaA-HZ4Gso_6R0