Clinical experience after more than a year's ethambutol administration.
D000328:Adult; D002908:Chronic Disease; D004338:Drug Combinations; D004977:Ethambutol / Q000008:administration & dosage*; D006801:Humans; D007538:Isoniazid / Q000008:administration & dosage; D008875:Middle Aged; D013183:Sputum / Q000382:microbiology; D013307:Streptomycin / Q000008:administration & dosage; D013997:Time Factors; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy* / Q000382:microbiology
D004338:Drug Combinations; D004977:Ethambutol; D007538:Isoniazid; D013307:Streptomycin