| GNB | Gram negative bacilli |
|---|---|
| GNB | Gram negative bacteria |
| GNB | ganglioneuroblastoma |
| GNG | Gluconeogenesis |
| GNMT | Glycine N-methyltransferase |
| GNP | Gross National Product |
| GNR | Gram negative rods |
| GnRH | gonadotropin hormone releasing hormone |
| GNRH-a | GnRH agonist |
| GnRH-A | GnRH analog |