Related Clues:

• ''ER'' roles
• Med school grads
• Members of 82-Down
• AMA mtg. attendees
• Patients may call for them, briefly
• Some call-button respondents, briefly
• ICU staff
• TV's House and Howser
• Some hospital workers: Abbr.
• This puzzle's theme involves four TV ones
• Pepper et al.
• Physicians: Abbr.
• 42-Across members
• No and Strangelove
• Patient tenders, briefly