Liu Yage said excitedly, "If this medicine go into production, it will be a great service to mankind. More than four million leukemia patients in Huaxia would be grateful to you."

The cripple said, "Doctor Qin has done a great job, but I am afraid that some people will run away after being cured. If we can't find them, their medical records will be lost. I'm afraid so we can't collect a hundred copies of data."

Liu Yage said, "That's easy to do. Although our ...