| PTHC | Percutaneous Trans-Hepatic Cholangiography(-gram) = PTC |
|---|---|
| RVG | Radionuclide Ventriculo-Gram |
| VCUG | Voiding Cysto-Urethro-Gram = VCU |
| CGS, cgs | centimeter-gram-second [system] |
| EPG | eggs per gram [count]; electropneumography, electropneumogram; ethanolamine phosphoglyceride |