Random triples
| Subject | Object | 
|---|---|
| gptkb:primary_open_angle_glaucoma | redness (usually) | 
| gptkb:primary_open-angle_glaucoma | pain in early stages | 
| gptkb:primary_open_angle_glaucoma | pain (usually) | 
| Subject | Object | 
|---|---|
| gptkb:primary_open_angle_glaucoma | redness (usually) | 
| gptkb:primary_open-angle_glaucoma | pain in early stages | 
| gptkb:primary_open_angle_glaucoma | pain (usually) |