Ethambutol and rifampicin serum levels in children: second report on the combined administration of ethambutol and rifampicin.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004359:Drug Therapy, Combination; D004977:Ethambutol / Q000097:blood*; D006801:Humans; D012293:Rifampin / Q000097:blood*; D013997:Time Factors
D004977:Ethambutol; D012293:Rifampin