Could you please clarify what you mean by "30 day panel article"? Are you referring to:
1. A medical or health-related panel (e.g. blood tests or screenings over 30 days)?
2. A market research panel that collected data for 30 days?
3. A journalistic or blog article documenting a 30-day experience or experiment?
4. Something else entirely?
If you give me more context (like the topic or purpose), I can help write or edit your article.