| CPDL | cumulative population doubling level |
|---|---|
| MPD | main pancreatic duct; maximum permissible dose; mean population doubling; membrane potential differe... |
| PDL | pancreatic duct ligation; periodontal ligament; poorly differentiated lymphocyte; population doublin... |
| PDT | photodynamic therapy; population doubling time |
| Td | doubling time; tetanus-diphtheria toxoid |