| IFA | Immuno-Fluorescence Antibody Test(= Assay) |
|---|---|
| IFA | idiopathic fibrosing alveolitis; immunofluorescence assay; immunofluorescent antibody; incomplete Freund's adjuvant; indirect fluorescent antibody; indirect fluorescent assay; International Fertility Association; International Filariasis Association |
| IFA test | Indirect Fluorescent Antibody test |
| IFAP | ichthyosis follicularis-atrichia-photophobia [syndrome] |
| IFAT | indirect fluorescent antibody test |