The anti-cancer drug 5-fluorouracil is highly active against Mycobacterium tuberculosis in vitro but not in vivo, Mathys, Vanessa, Singhal A., Kiass M., Lefevre P., Kurepina N., Wang X.M., Mathema B., Baulard A., and Bifani P. , Pathogenesis and Control of Emerging Infections and Drug-Resistant Organisms, 0/0/2008, Issue Keystone Symposia, NA, (2008)