<unk>  (LDT) is a term used to refer to a certain class of in vitro diagnostics (IVDs) that, in the U.S., were traditionally regulated under the Clinical<unk>  Improvement Amendments program.
Laboratory developed test
Animal testing on rodents
WHO model list of essential in vitro diagnostics
International Certificate of Vaccination or Prophylaxis
Computer-aided simple triage
Biological specimen
Clinical associates
Timeline of human vaccines