| BFR | biologic false reaction; blood flow rate; bone formation rate; buffered Ringer [solution] |
|---|---|
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| HR | heart rate; hemorrhagic retinopathy; high resolution; higher rate; histamine receptor; hormonal resp... |
| MFR | mean flow rate; mucus flow rate |
| MHR | major histocompatibility region; malignant hyperthermia resistance; maternal heart rate; maximal hea... |