<https://www.medgadget.com/2008/03/flowave_1000_monitor_promises_noninvasive_cardiac_output.html>
<http://schema.org/description>
"One EKG lead. One pulse oximeter. Some secret stuff. And presto! Profit... and, of course, noninvasive cardiac output monitoring. Woolsthorpe"
<https://www.medgadget.com/2008/03/flowave_1000_monitor_promises_noninvasive_cardiac_output.html>