Related Clues:
- Ph.D. holders
- Some medical professionals (Abbr.)
- Rx providers
- OB-GYNs and 49-Acrosses (Abbr.)
- Degrees for some adjunct profs
- Pediatricians, e.g. (Abbr.)
- They hold MD degrees: Abbr
- 37-Across, etc. (Abbr.)
- Some ICU staff members
- Some hold MD degrees
- Designations requiring defenses
- Some Drs
- Roles on "Grey's Anatomy": Abbr
- Third degrees, for short
- OB-GYNs and such (Abbr.)