direct fluorescent antibody
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Related to direct fluorescent antibody: FA test
direct fluorescent antibodyAbbreviation: DFA
A fluorescent antibody test performed on sputum to detect microorganisms that invade the respiratory tract, e.g., Legionella, Mycoplasma, or Bacillus anthracis.Synonym: direct fluorescein-conjugated antibody; direct immunofluorescence test
See also: antibody
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