Figure 4

A sample acupressure bead obtained from the patient. A gold-plated iron ball is pasted on one side of a piece of double-sided tape, and a piece of lead glass is pasted on the other side.
A sample acupressure bead obtained from the patient. A gold-plated iron ball is pasted on one side of a piece of double-sided tape, and a piece of lead glass is pasted on the other side.