| FIA | fistula in ano; fluorescent immunoassay; focal immunoassay; Freund incomplete adjuvant |
|---|---|
| ICFA | incomplete Freund adjuvant; induced complement-fixing antigen |
| IFA | idiopathic fibrosing alveolitis; immunofluorescence assay; immunofluorescent antibody; incomplete Fr... |
| CFA | colonization factor antigen; colony-forming assay; complement-fixing antibody; complete Freund's adj... |
| FA | false aneurysm; Families Anonymous; Fanconi anemia; far advanced; fatty acid; febrile antigen; femor... |