| GDB | gas density balance; guide dogs for the blind |
|---|---|
| HLB | hydrophilic-lipophilic balance; hypotonic lysis buffer |
| MB | Bachelor of Medicine [Lat. Medicinae Baccalaureus]; buccal margin; isoenzyme of creatine kinase cont... |
| MBFLB | monaural bifrequency loudness balance |
| MDNB | mean daily nitrogen balance; metadinitrobenzene |