| TOXLINE | Toxicology Information On-Line [data bank] |
|---|---|
| TOXLIT | Toxicology Liturature [data bank] |
| TOXNET | Toxicology Network (NLM) [data bank] |
| UCDS | uniform clinical data set |
| UDS | ultrasound Doppler sonography; uniform data system; unscheduled deoxynucleic acid synthesis |