serial viable counts on mycobacterium tuberculosis exposed in vitro to isoniazid , rifampicin and ethambutol in tween-albumin liquid medium showed no bactericidal synergism between isoniazid and rifampicin and no influence of ethambutol on the bactericidal activity of isoniazid or isoniazid plus rifampicin .
C0035608
rifampicin
C0358905
isoniazid