TNF and tuberculosis: 18 Gardam Gardam MA MA Keystone Keystone EC EC Menzies Menzies R R Manners Manners S S Skamene Skamene E E Long Long R R Anti-tumor necrosis factor agents and tuberculosis risk: mechanisms of action and clinical management Anti-tumor necrosis factor agents and tuberculosis risk: mechanisms of action and clinical management Lancet Infect Dis.