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IP address: 44.200.65.174
Time: 2024-03-29T16:00:58Z
URL: http://scholar.google.com/scholar_lookup?title=Risk+factors+for+severe+and+critically+ill+COVID-19+patients%3A+a+review&year=2021&author=Gao&journal=Allergy&volume=76&issue=2&pages=428-455&doi=10.1111%2Fall.14657&pmid=33185910