| gr | grade; graft; grain; gram; gravity; gray; gross |
|---|---|
| GSC | gas-solid chromatography; gravity settling culture |
| GSD-0 | glycogen storage disease-zero |
| L0 | limes zero [limes nul] |
| MO | macroorchidism; manually operated; Master of Obstetrics; Master of Osteopathy; medical officer; mesi... |