https://www.selleckchem.com/pr....oducts/LY2228820.htm
The flow dynamics of the cough simulation model were similar to that of an actual human cough. There was a significant inverse correlation between the patient-endoscopist vertical distance and the model endoscopist's facial exposure, with positive exposures decreasing from 87% at 70cm to 0% at 100cm (P0.001). The barrier device prevented facial exposure to droplets at all distances. We found that positioning the patient at least 100cm below the top of the endoscopist's head or using a barrier device minimized the endoscopist's fac
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