title: Studies of the geographical spread of drug-resistant tubercle bacilli in a city.
mesh_terms: D000636:Aminosalicylic Acids / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D004812:Epidemiologic Methods; D006801:Humans; D007538:Isoniazid / Q000494:pharmacology; D009169:Mycobacterium tuberculosis / Q000187:drug effects*; D012606:Scotland; D013307:Streptomycin / Q000494:pharmacology
chemical_list: D000636:Aminosalicylic Acids; D007538:Isoniazid; D013307:Streptomycin