| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
|---|---|
| DSCF | Doppler-shifted constant frequency |
| DUF | Doppler ultrasonic flowmeter; drug use forecast |
| ICDS | International Cardiac Doppler Society |
| LD | labor and delivery; laboratory data; labyrinthine defect; lactate dehydrogenase; laser Doppler; lear... |