Чтобы не потерялось.

[merzavka]

The Infection That’s Silently Killing Coronavirus Patients
https://www.nytimes.com/2020/04/20/opinion/sunday/coronavirus-testing-pneumonia.html
Oxygen Saturation Monitor
https://www.amazon.com/gp/product/B07PQ8WTC4/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1