A previous HN article links to a paper which mentions this would be useful when there is a shortage of ventilators: https://www.cell.com/med/fulltext/S2666-6340

A previous HN article links to a paper which mentions this would be useful when there is a shortage of ventilators: https://www.cell.com/med/fulltext/S2666-6340(21)00153-7 https://www.cell.com/med/fulltext/S2666-6340(21)00153-7