| SOB | Stool occult blood |
|---|---|
| OB | obese [mouse]; obese, obesity; objective benefit; obliterative bronchiolitis; obstetrics, obstetrici... |
| CBV | capillary blood cell velocity; catheter balloon valvuloplasty; central blood volume; cerebral blood ... |
| FOBT | fecal occult blood test |
| OBP | odorant-binding protein; ova, blood, parasites [in stool] |