%0 Journal Article %A LUO, MINGZHI %A NI, KAI %A SUN, YAN %A GUO, JIA %A WEN, KANG %A DENG, LINHONG %D 2022 %J BIOCELL %@ 1667-5746 %V 46 %N 4 %P 855--871 %T Toward an optimized strategy of using various airway mucus clearance techniques to treat critically ill COVID-19 patients %M doi:10.32604/biocell.2022.017520 %U http://www.techscience.com/biocell/v46n4/45978