This invention provides six new cell lines which were established in continuous culture from {HEAD ~ embryonic tissues} of {TAIL ~ ticks}  
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This invention provides six new cell lines which were established in continuous culture from { HEAD ~ embryonic tissues } of { TAIL ~ ticks }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH