Rumi Chunara, Jason R. Andrews, and John S. Brown-stein, “Social and News Media Enable Estimation of Epidemiological Patterns early in the 2010 Haitian Cholera Outbreak”, American Journal of Tropical Medicine and Hygiene 86, no. 1 (2012): стр. 39–45, doi:10.4269/ajtmh.2012.11–0597.
