TY - JOUR A1 - Zachariah, R. A1 - Spielmann, M.P. A1 - Harries, A.D. A1 - Gomani, P. A1 - Graham, S.M. A1 - Bakali, E. A1 - Humblet, P. T1 - Passive versus active tuberculosis case finding and isoniazid preventive therapy among household contacts in a rural district of Malawi Y1 - 2003 VL - 7 IS - 11 ER -