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4D printed microneedles to make injections less painful
Updated : 6 years, 1 month ago IST
Washington D.C. [USA], Feb 9 (ANI): A group of researchers has developed tiny needles that could potentially replace the often painful hypodermic needles for administering shots, injecting drugs and drawing blood samples. The 4D printed needles seek their inspiration from parasites that latc
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