title: The twenty-fifth anniversary of para-amino-salicylic acid and streptomycin.
mesh_terms: D000636:Aminosalicylic Acids / Q000266:history*; D049673:History, 20th Century; D013307:Streptomycin / Q000266:history*
chemical_list: D000636:Aminosalicylic Acids; D013307:Streptomycin