| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |
|---|---|
| A2 P2 | aortic second sound; pulmonary second sound |
| BS | Bachelor of Science; Bachelor of Surgery; Bacillus subtilis; Bartter syndrome; base strap; bedside; ... |
| bs | bedside; bowel sound; breath sound |
| PMI | 1) Point of Maximal Impulse(= Intensity) 2) Proportional Mortality Index;... |