Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus-Infected Pneumonia.
N Engl J Med. 2020 Mar 26;382(13):1199-1207. doi: 10.1056/NEJMoa2001316. Epub 2020 Jan 29. N Engl J Med. 2020. PMID: 31995857 Free PMC article.