patients with bacteriologically positive pulmonary tuberculosis were treated initially for an average of three and a half months with isoniazid , rifampicin , and ethambutol and then a total of one year 's treatment was completed with either rifampicin plus isoniazid ( r+i ) or with ethambutol plus isoniazid ( e+i ) .
C0035608
rifampicin
C0358905
rifampicin