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Related Clues:
- Full moon, to some
- Public opinion, so to speak
- It could be a bad sign
- Mystical sign
- Something a doctor may check
- What a seer may seek
- Vital sign
- 1976 horror hit (with ''The'')
- Sign of impending trouble, maybe
- Particle stream, in physics
- Heartbeat indicator
- Warning, maybe
- Damien's film (with ''The'')
- Red sky, perhaps
- Eclipse, to the ancients