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Browse by symptom × who-you-are — the skippable front door
PRD F1 · Phase 1
Two layers of categorization: what's going on with your voice (which applies to everyone — a voice recovers much the same way regardless of how it got hurt) times who you are, which only ever ADDS guidance on top. Sample content — the real curriculum replaces all of it.
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Talk to the nurse →What's going on
Who you are (adds guidance, never removes)