Six new cell lines of Acari: Ixodidae are provided, four from {HEAD ~ embryonic tissue} of Dermacentor variabilis and two from embryonic tissue of {TAIL ~ Dermacentor parumapertus}; and the use of these cell lines for replicating representative microorganisms is shown 
Six new cell lines of Acari : Ixodidae are provided , four from { HEAD ~ embryonic tissue } of Dermacentor variabilis and two from embryonic tissue of { TAIL ~ Dermacentor parumapertus } ; and the use of these cell lines for replicating representative microorganisms is shown
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