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. 2016 Jul;12(7):424–431.

Figure 1.

Figure 1

A diagrammatic depiction of radiofrequency delivery of energy to the region of the lower esophageal sphincter using a 4-needle balloon array. Radiofrequency energy is delivered circumferentially in 4 locations above and below the Z line.

Reproduced from Min MX and Ganz RA.16