| GRASS | Gradient Recalled Acquisition at Steady State |
|---|---|
| GRASS | gradient recalled acquisition in a steady state |
| HARD | hydrocephalus-agyria-retinal dysplasia [syndrome] |
| HARD | +/- E hydrocephalus-agyria-retinal dysplasia plus or minus encephalocele [syndrome] |
| HE | half-scan with extrapolation; hard exudate; hektoen enteric [agar]; hemagglutinating encephalomyelit... |