Enter a clue or pattern or both:
The Clue
Specialists' patients, usually (9 letter answer)
The Answer
REFERRALS
Tags
Notes
The answer REFERRALS is so rare that it appears less than once every 2500 puzzles.
Definition
REFERRAL as a noun:
1. a recommendation to consult the (professional) person referred to; "this patient is a referral from Dr. Bones"
2. the act of referring (as forwarding an applicant for employment or referring a matter to an appropriate agency)