Global helium shortage puts future of Party City up in the air - NBCNews.com
- Global helium shortage puts future of Party City up in the air NBCNews.com
- Party City is facing a helium shortage. It's also closing 45 stores CNN
- Party City to shutter 45 stores amid worldwide helium shortage Fox Business
- Party City shuts down stores, partly blames helium shortages USA TODAY
- Helium shortage deflating Party City's business Boing Boing
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