Keller M, Blench M, Tolentino H, Freifeld CC, Mandl KD, Mawudeku A, Eysenbach G, Brownstein JS.
John Brownstein
Emerg Infect Dis
http://www.ncbi.nlm.nih.gov/pubmed/19402953
15(5):689-95
https://connects.catalyst.harvard.edu/Profiles/profile/487015