Related Clues:

• Some ER workers
• 31-Down's bosses
• Prescription writers: Abbr.
• Some profs.
• HMO members
• Med. school teachers
• Dre and Hook
• OB/GYNs, e.g.
• OR figures
• Some ER staffers
• PCPs, e.g.
• J and Dre
• "ER" extras
• HMO staffers
• Vets, e.g.: Abbr.