[Survey of natural infection of ticks with Rickettsia of the spotted fever group in the northwestern section of Xinjiang Province].
D000818:Animals; D002681:China; D003870:Dermacentor / Q000382:microbiology*; D012284:Rickettsia rickettsii / Q000302:isolation & purification*; D013987:Ticks / Q000382:microbiology*