title: Fine structure of Rickettsia prowazeki in the haemocytes of ticks Hyalomma dromedarii.
mesh_terms: D000818:Animals; D002455:Cell Division; D002462:Cell Membrane; D006458:Hemolymph / Q000382:microbiology; D008854:Microscopy, Electron; D012270:Ribosomes; D012283:Rickettsia prowazekii / Q000166:cytology*; D013987:Ticks