title: Demonstration of rickettsiae in tick haemocytes.
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D001773:Blood Cells / Q000382:microbiology*; D003604:Czechoslovakia; D005455:Fluorescent Antibody Technique; D006458:Hemolymph / Q000382:microbiology*; D007106:Immune Sera; D008722:Methods; D011817:Rabbits / Q000276:immunology; D012281:Rickettsia / Q000145:classification; D013987:Ticks
chemical_list: D007106:Immune Sera