| IDDT | immune double diffusion test |
|---|---|
| IDT | immune diffusion test; instillation delivery time; intradermal typhoid [vaccine] |
| PCDC | plasma clot diffusion chamber |
| SRDT | single radial diffusion test |
| CEA | Carcino-Embryonic Antigen [HP 1825-6] ; Oncofetal Antigens ; Glycopro... |