| BI | background interval; bacterial or bactericidal index; base-in [prism]; basilar impression; Billroth ... |
|---|---|
| DRIP | delirium and drugs-restricted mobility and retention-infection, inflammation and impaction-polyuria ... |
| imp | impacted, impaction |
| EFC | elastin fragment concentration; endogenous fecal calcium; ephemeral fever of cattle |
| FBA | fecal bile acid |