There are multiple definitions:

1. relative biological value(English)

   • Biology

2. ribavirin(English)

   • used for HCV treatment
   • HBV, HCV, HIV
   • Liver disease, Therapeutic approaches
   • https://doi.org…hep.2007.11.009

3. relative bioavailability(English)

   • compares how much of an active substance (e.g., a drug, vitamin, or mineral) reaches the systemic circulation from one formulation compared to a recognized standard or reference formulation. It helps determine if a generic or alternative product performs as well as the original
   • MDFP
   • Hormone, Pharmacology / pharmaceutics, Metabolism, Nutrition
   • https://doi.org…3/ajcn.83.3.632