Observational study of changes in utilization and outcomes in mechanical ventilation in COVID-19 | PLOS ONE
![IIVVERR Carpenter 20cm 8 Inches Scale Range Metal Dual Sides Metric Measure Measuring Straight Ruler Tool IIVVERR Carpenter 20cm 8 Inches Scale Range Metal Dual Sides Metric Measure Measuring Straight Ruler Tool](https://m.media-amazon.com/images/I/61Ig1jASjQL._AC_UF1000,1000_QL80_.jpg)
IIVVERR Carpenter 20cm 8 Inches Scale Range Metal Dual Sides Metric Measure Measuring Straight Ruler Tool
![Combo Touch Keyboard Trackpad Case for iPad Pro 12.9-inch 6th Gen / 11-inch 4th Gen & iPad Air 5th Gen Combo Touch Keyboard Trackpad Case for iPad Pro 12.9-inch 6th Gen / 11-inch 4th Gen & iPad Air 5th Gen](https://resource.logitech.com/content/dam/logitech/en/products/mobility/combo-touch-ipad/gallery/deu-combotouch-oxfordgrey-ipad-pro-12-9-gallery1.png)
Combo Touch Keyboard Trackpad Case for iPad Pro 12.9-inch 6th Gen / 11-inch 4th Gen & iPad Air 5th Gen
![Heterogeneity of T Cells in Atherosclerosis Defined by Single-Cell RNA-Sequencing and Cytometry by Time of Flight | Arteriosclerosis, Thrombosis, and Vascular Biology Heterogeneity of T Cells in Atherosclerosis Defined by Single-Cell RNA-Sequencing and Cytometry by Time of Flight | Arteriosclerosis, Thrombosis, and Vascular Biology](https://www.ahajournals.org/cms/asset/67953260-7a7e-4154-8e4b-283462ffad49/atvbaha.120.312137.fig04.jpg)