| BRR | Bannayan-Riley-Ruvalcaba [syndrome]; baroreceptor reflex response; breathing reserve ratio |
|---|---|
| PB | British pharmacopeia [Pharmacopoeia Britannica]; paraffin bath; Paul-Bunnell [antibody]; periodic br... |
| CWRS | Case Western Reserve University |
| ERV | Expiratory Reserve Volume |
| IRV | Inspiratory Reserve Volume |