Related Clues:
- Old salt in Coleridge's poem
- Extremely old
- Through the mouth
- Relating to the mouth — exam
- By (word of) mouth
- Kind of surgeon or historian
- Like the Sabin polio vaccine
- Verbally
- Person-to-person exam
- Like much medicine
- Like many vaccines
- __ exam
- ___ fixation
- Passed along by storytellers
- Like some doctorate seekers' exams