Related Clues:

• 'ER' roles
• Advanced deg. holders
• OR workers
• Nurses' workmates
• ICU workers
• Test conductors
• Hosp. professionals
• What this puzzle is about, briefly
• Healers
• Hosp. personnel
• GPs, jocularly
• Who and Howser, briefly
• Medics
• Laura and Phil, for two
• Many profs.