| MRBC | monkey red blood cell; mouse red blood cell |
|---|---|
| PaO2 | partial oxygen tension in arterial blood; partial pressure of oxygen in arterial blood |
| PBF | peripheral blod flow; placental blood flow; pulmonary blood flow |
| PBL | peripheral blood leukocyte; peripheral blood lymphocyte; problem-based learning |
| PBV | predicted blood volume; pulmonary blood volume |