| HARD | hydrocephalus-agyria-retinal dysplasia [syndrome] |
|---|---|
| HARD | +/- E hydrocephalus-agyria-retinal dysplasia plus or minus encephalocele [syndrome] |
| HARH | high-altitude retinal hemorrhage |
| MARS | magnetic anchor retinal stimulation; methionyl-transfer ribonucleic acid synthetase; mouse antirat s... |
| PRE | photoreacting enzyme; physician's report of examination; pigmented retinal epithelium; preplacement ... |