The Radioactive Rays Medicine Institute of the academy succeeded in getting gallium substance with materials available in the country and manufacturing medicament needed for the injection.

The injection is applicable to liver cancer smaller than 5 centimeters.

The highly effective medicine is guided by ultrasonic waves only to cancer tissues.

The clinical application of the injection to some 50 patients since Juche 91 (2002) shows that its efficacy is as high as 90 percent.

A cycle of its administration is 20 days and the maximum cycles are five.