Ehrlichia chaffeensis Ab.IgM:PrThr:Pt:Ser:Ord:IA
ehrlichia chaffeensis ab.igm:prthr:pt:ser:ord:ia
Ehrlichia chaffeensis IgM Ab [Presence] in Serum by Immunoassay
ehrlichia chaffeensis igm ab [presence] in serum by immunoassay