| DBT | dry bulb temperature |
|---|---|
| OB | obese [mouse]; obese, obesity; objective benefit; obliterative bronchiolitis; obstetrics, obstetrici... |
| OLB | olfactory bulb; open liver biopsy; open lung biopsy |
| RUD | recurrent ulcer of the duodenal bulb |
| SjO2 | jugular bulb venous oxygen saturation |