1. Prolonged symptom onset to admission time is associated with severe Coronavirus disease: A meta combined propensity-adjusted analysis.
   Yingchao Guan et al, 2021, J Med Virol CrossRef
2. Long‑term effects of COVID‑19 in sickle cell disease: A case report
   Ricardo Alberca et al, 2021, World Acad Sci J CrossRef
3. Conceptual design and assessment of a novel energy management system for LNG fueled ships with air separation
   Zhe Wang et al, 2021, Thermal Science and Engineering Progress CrossRef