There are multiple definitions:

1. bovine virus diarrhea(English)

   • Veterinary medicine, Virology

2. blood vessel density(English)

   • LVD
   • Oncology, Pathology
   • https://www.ncb…p0008-13677.pdf

3. bioprosthetic valve dysfunction(English)

   • may be caused by structural or nonstructural valve dysfunction
   • BVF
   • Cardiology, Prosthetics
   • https://doi.org…acc.2022.06.002