| Measurement of immunoglobulin G and M classes of antibody to Ehrlichia chaffeensis in serum or plasma specimen (procedure) |   | Measurement of antibody to Erlichia chaffeensis, IgG and IgM in serum or plasma specimen  |   | Measurement of immunoglobulin G and M classes of antibody to Ehrlichia chaffeensis in serum or plasma specimen
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  | | Id | 444306007 |  | Status | Primitive |  
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