| GDP | gel diffusion precipitin; gross domestic product; guanosine diphosphate |
|---|---|
| IDDT | immune double diffusion test |
| IDT | immune diffusion test; instillation delivery time; intradermal typhoid [vaccine] |
| PCDC | plasma clot diffusion chamber |
| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |