Abstract
The PIXE (proton induced X-ray emission) technique has been used to analyze trace elements in more than 200 human hair samples from 60 patients with acute cerebrovascular diseases and 28 normal controls. Trace element differences in hair between the patients and the normal controls have been observed. A Van de Graaff accelerator and a Si(Li) semiconductor at Institute of Nuclear Science and Technology of Sichuan University were used.
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