| NBM | no bowel movement; normal bone marrow; normal bowel movement; nothing by mouth |
|---|---|
| NBME | National Board of Medical Examiners; normal bone marrow extract |
| PBM | peak bone mass; peripheral basement membrane; peripheral blood mononuclear [cell]; placental basemen... |
| PBS | perfusion-pressure breakthrough syndrome; phenobarbital sodium; phosphate-buffered saline; planar bo... |
| PDB | Paget disease of bone; paradichlorobenzene; patient's database; phosphorus-dissolving bacteria; prev... |