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https://scholar.google.com/scholar_lookup?title=Epidemiological%20and%20clinical%20characteristics%20of%2099%20cases%20of%202019%20novel%20coronavirus%20pneumonia%20in%20Wuhan%2C%20China%3A%20a%20descriptive%20study&author=N%20Chen&author=M%20Zhou&author=X%20Dong&publication_year=&journal=Lancet&volume=&pages=