Painless injection makes with nanotechnology at China's Suzhou
19:59, October 18, 2010

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A staff member shows the painless percutaneous drug delivery arrays made with nano-technology at Suzhou Natong Bionanotechnology, Ltd., in Suzhou, east China's Jiangsu Province, on Oct. 16, 2010. The painless percutaneous drug delivery arrays could give patient injection without pain with the diameter of every array only 80 microns. (Xinhua/Zhu Guigen)
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(Editor:张茜)
