Increased Incidence of Tuberculosis in Zimbabwe, in Association with Food Insecurity, and Economic Collapse: An Ecological Analysis. - Burke, Stephen J.; Lass, Elliot; Thistle, Paul; Katumbe, Lovemore; Jetha, Arif; Schwarz, Dan; Bolotin, Shelly; Barker, R. D.; Simor, Andrew; Silverman, Michael (PLoS ONE, 2014)