Background The duration of viral shedding is central to the guidance of decisions about
isolation precautions and antiviral treatment. However, studies regarding the risk factors …

Since an outbreak of coronavirus disease 2019 (COVID-19) in Wuhan, China, and related
regions of the Hubei province, an increasing number of exported cases have been confirmed …

… Yong-hua Gao , Contributed equally to this work with: Yong-hua Gao, Hua-si Zhao …
Contributed equally to this work with: Yong-hua Gao, Hua-si Zhao …

… Etiology of bronchiectasis was determined after meticulous testing recommended by British
Thoracic Society guidelines 2 and group discussion (Yong-hua Gao, WG, and GX). Upper …

While identifying the underlying aetiology is a key part of bronchiectasis management, the
prevalence and impact of identifying the aetiologies on clinical management remain unclear. …

Background and objective Aetiologies of bronchiectasis in mainland C hina and their comparisons
with those in western countries are unknown. We aimed to investigate bronchiectasis …

Both COPD and emphysema are associated with an increased incidence of lung cancer,
but the impacts of these comorbidities on lung cancer prognosis are still unclear. Herein, we …

The consistent conditions and the general expressions about the Hermitian solutions of the
linear matrix equations AXB=C and (AX, XB)=(C, D) are studied in depth, where A, B, C and …

Background The duration of viral shedding is central to guide decisions around isolation
precautions and antiviral treatment. However, studies about risk factors associated with …

Background A systematic review and meta-analysis was conducted to evaluate the efficacy
and safety of macrolide therapy in adults and children with bronchiectasis. Methods We …