| GEN | gender; generation |
|---|---|
| GT | gait training; galactosyl transferase; gastrostomy; generation time; genetic therapy; gingiva treatm... |
| P1, | P-one first parental generation |
| Pi | parental generation; pressure in inspiration; protease inhibitor |
| Tc | cytotoxic T-cell; the generation time of a cell cycle; tricuspid closure |