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CORY HAIK AND HILARY BUCKLEY / THE SEATTLE TIMES

Machines at Puyallup Fair

The EPFX, also known as the QXCI, was at this year's Western Washington Fair in Puyallup. Bart Keough, owner of The Healing Circle Counseling Services in Eatonville, Pierce County, ran a booth where he treated more than 400 people, charging $20 for a half-hour session. Of those interviewed by The Times, most said they felt better afterward and might seek more treatments.

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