| Answer | Crossword Clue |
|---|---|
| ORALS | Hurdle for Ph.D. candidates. |
| ORALS | Ph.D. candidate's hurdle |
| ORALEXAM | Ph.D. candidate's hurdle |
| ORALEXAM | Hurdle for a future Ph.D. |
| ORALEXAM | Hurdle for a Ph.D. candidate |
| ORALS | Tests for Ph.D. candidates |
| ORALS | Tests for many Ph.D. candidates |
