Related Clues:

• 'ER' roles
• Patient visitors?
• Advanced deg. holders
• 'E.R.' regulars
• OR workers
• ER bosses
• ICU workers
• 'Angels of mercy,' briefly
• ER caregivers
• Some hospital workers (Abbr.)
• M.D.'s associates
• M.D.s' co-workers
• GP grp.
• Hosp. professionals
• What this puzzle is about, briefly