Jon Butterworth is professor of physics at University College London, and a member of the ATLAS Collaboration at Cern
That would act as a de facto ban as doctors would only perform them in the most essential cases, the MPs say.
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紫苏，漫山遍野，朴实无华。然而，广州中医药大学中药学院研究员沈奇却迷上了那片紫色的叶子、那缕奇特的香味，并让这株小草身价增加百倍。
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