Nielsen, Henrik Serological and molecular evidence of Rickettsia helvetica in Denmark. [electronic resource] - Scandinavian journal of infectious diseases 2004 - 559-63 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0036-5548 Standard No.: 10.1080/00365540410020776 doi Subjects--Topical Terms: AnimalsBase SequenceChildDNA, Bacterial--analysisDenmark--epidemiologyDisease VectorsFemaleHumansIxodesMaleMiddle AgedMolecular BiologyMolecular Sequence DataPolymerase Chain Reaction--methodsPrevalenceRickettsia--classificationRickettsia Infections--diagnosisSampling StudiesSeroepidemiologic StudiesSerologic Tests--methodsTicks