| PD | Pulsed Doppler |
|---|---|
| PDE | Pulsed Doppler Echocardiography |
| HPAEC-PAD | High performance anion exchange chromatography with pulsed amperometric detection |
| HVPC | High voltage pulsed current |
| HPAEC/PAD | High-pH anion exchange chromatography with pulsed amperometric detection |