title: On the systematic position of microaerophilic, aerial mycelium forming actinomycetes of trutnov 139--66 typ.
mesh_terms: D000190:Actinomyces / Q000145:classification* / Q000201:enzymology; D002374:Catalase / Q000032:analysis; D008722:Methods; D013045:Species Specificity
chemical_list: D002374:Catalase