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An increased neutrophil/lymphocyte ratio is an early warning signal of severe COVID-19XIA Xintian, WEN Minyong, ZHAN Shaofeng, HE Jing, CHEN Weitao333-336
Tracheal intubation in patients with severe and critical COVID-19: analysis of 18 casesWANG Jiafang, LU Fan, ZHOU Mingxing, QI Zhong, CHEN Zhijun337-341
Liquid chromatography tandem mass spectrometry for therapeutic drug monitoring of voriconazole in heat-inactivated blood samples: its application during COVID-19 pandemicZHAO Boxin, LIU Sijia, LIU Yuan, LI Guofeng, ZHANG Qing342-345
Psychological status and sleep quality of nursing interns during the outbreak of COVID-19SHENG Xiaoyan, LIU Fenyu, ZHOU Jin, LIAO Rongrong346-350
Diagnosis and treatment of an elderly patient with secondary cerebral infarction caused by COVID-19HE Jin, CHENG Gong, XU Wenwei, ZHANG Lengzhen, ZENG Zhenhua351-352