title: A preliminary note on the survey of antibodies to certain rickettsial agents in human sera collected from Rajasthan in the year 1971.
mesh_terms: D000328:Adult; D000907:Antibodies, Bacterial / Q000032:analysis*; D003168:Complement Fixation Tests; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D011778:Q Fever / Q000453:epidemiology; D012281:Rickettsia / Q000276:immunology*; D014438:Typhus, Epidemic Louse-Borne / Q000453:epidemiology
chemical_list: D000907:Antibodies, Bacterial