| PND | paroxysmal nocturnal dyspnea; partial neck dissection; postnasal drainage; postnasal drip; postnatal... |
|---|---|
| POD | peroxidase; place of death; podiatry; polycystic ovary disease; pool of doctors; postoperative day; ... |
| pSIDS | partially unexplained sudden infant death syndrome |
| RCDR | relative corrected death rate |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |