Possible Clues:

• '__ harm': Hippocratic Oath principle
• "__ harm": Hippocratic Oath principle
• “First, ___ harm” (doctor’s principle)
• 'Tiny Bubbles' singer
• "___ harm" (Hippocratic principle)
• "You'll ___ such thing!"
• 'First, ___ harm'
• "First, ___ harm" (doctor's axiom)
• 'First, ____ harm'
• 'First, ___ harm' (medical axiom)