Shankarappa, B Identification of the protective 44-kilodalton recombinant antigen of Ehrlichia risticii. [electronic resource] - Infection and immunity Feb 1992 - 612-7 p. digital Publication Type: Journal Article ISSN: 0019-9567 Standard No.: 10.1128/iai.60.2.612-617.1992 doi Subjects--Topical Terms: AnimalsAntibodies, Bacterial--analysisAntibodies, Monoclonal--immunologyAntigens, Bacterial--immunologyEhrlichia--immunologyFemaleImmunizationMiceRecombinant Proteins--immunology