title: Heterogeneity among whorl-forming Streptomycetes determined by DNA reassociation.
mesh_terms: D002250:Carbon Radioisotopes; D004269:DNA, Bacterial / Q000032:analysis; D005374:Filtration; D008567:Membranes, Artificial; D013302:Streptomyces / Q000145:classification*; D013816:Thermodynamics; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D004269:DNA, Bacterial; D008567:Membranes, Artificial; D014316:Tritium