| x-rays | roentgen rays |
|---|---|
| GR | gamma-rays; gastric resection; general research; generalized rash; glucocorticoid receptor; glutathi... |
| HED | hereditary ectodermal dysplasia; hydrotropic electron-donor; hypohidrotic ectodermal dysplasia; unit... |
| EFF | electromagnetic field focusing |
| EM | early memory; ejection murmur; electromagnetic; electron micrograph; electron microscopy, electron m... |