| GR | gamma-rays; gastric resection; general research; generalized rash; glucocorticoid receptor; glutathione reductase |
|---|---|
| gr | grade; graft; grain; gram; gravity; gray; gross |
| gr | wt gross weight |
| gr+ | gram-positive |
| gr- | gram-negative |
| gr. | grain; 1 gr. = 0.0648 gm |
| Gr1P0AB1 | one pregnancy, no births, one abortion |
| GRA | gated radionuclide angiography; glucocorticoid-remedial aldosteronism; gonadotropin-releasing agent |
| GRABS | group A beta-hemolytic streptococcal pharyngitis |
| grad | gradient; gradually; graduate |