| LBM | lean body mass; loose bowel movement; lung basement membrane |
|---|---|
| LBO | large bowel obstruction |
| MSB | Master of Science in Bacteriology; mid-small bowel; most significant bit |
| NBS | N-bromosuccinimide; National Bureau of Standards; neuroblastoma supressor; nevoid basal cell carcino... |
| PAIN | pyoderma gangrenosum, aphthous stomatitis, inflammatory eye disease, erythema nodosum [disorders ass... |