Related Clues:

• Prison units
• City sections
• Hosp. centers
• Spots for 42-Across
• Hesitation sounds
• Hospital sections
• Stumblers' sounds
• Workplaces for some R.N.'s
• Lifesaving workplaces, briefly
• Places for some MDs
• Hosp. parts
• Stammering sounds
• Where operators stand by?: Abbr.
• EMTs head to them
• Trauma ctrs