There are multiple definitions:

1. hit by car(English)

   • Emergency medicine, Veterinary medicine
   • https://www.vic…e_hit_by_a_car/

2. hyperpolarizing bipolar cell(English)

   • AIIAC, DBC, DBCR, IPL
   • Ophthalmology, Physiology, Electrophysiology
   • https://doi.org…res.2004.07.045

3. human bait collection(English)

   • BGM, BGP, BGS, CDC, EVS, HBC, SU
   • Malaria
   • https://doi.org/10.1603/me12270