There are multiple definitions:

1. immunofluorescence assay(English)

   • HAsd
   • Vaccination
   • https://doi.org…94.2020.1857162

2. incomplete Freund's adjuvant(English)

   • DIA
   • Culture medium
   • https://doi.org…/jaut.2000.0378

3. iron-folic acid(English)

   • refers to prophylactic supplementation
   • IDA, IFA, WHO, PAN
   • Preventive medicine, Nutrition, Pediatrics
   • https://pubmed.…h.gov/36263494/

4. incus footplate assembly(English)

   • refers to conductive hearing loss due to missing stapes superstructure with a mobile stapes footplate
   • Auditory system, ENT, Surgery
   • https://doi.org…1002/lary.25908