Elevated MUC1 and MUC5AC mucin protein levels in airway mucus of critical ill COVID-19 patientsLu, Wenju*; Liu, Xiaoqing; Wang, Tao; Liu, Fei; Zhu, Airu; Lin, Yongping; Luo, Jieping; Ye, Feng; He, Jianxing; Zhao, Jincun; Li, Yiming*; Zhong, Nanshan*Science Citation Index Expanded广州医学院; 1摘要-关键词coronavirus protein extraction systemic immunity