title: Source of Black Death revisited.
mesh_terms: D004269:DNA, Bacterial / Q000032:analysis; D005060:Europe; D049691:History, Medieval; D006801:Humans; D010930:Plague / Q000266:history* / Q000382:microbiology; D014070:Tooth / Q000382:microbiology; D015010:Yersinia pestis / Q000235:genetics / Q000302:isolation & purification*
chemical_list: D004269:DNA, Bacterial