There are multiple definitions:

1. International Heilkunst Association(English)

   • advocates the complete medical system developed by Dr. Samuel Hahnemann, which he called Heilkunst
   • CIHA
   • Holistic medicine
   • https://heilkun…ernational.com/

2. index of height asymmetry(English)

   • BAD-D, Becc, BED, CBI, CKI, IHD, ISV, KI, SKC, SPA1, TBI, TKC
   • Ophthalmology
   • https://doi.org…598-022-09160-6

3. indirect hemagglutination assay(English)

   • using sonicated extract as the antigen
   • Hematology, Microbiology, Veterinary medicine
   • https://doi.org…1135(85)90002-1