1 Introduction Esophageal cancer is one of the major malignant diseases in China and its etiology isstill unclear. Some reports have shown that trace elements play important roles in thecausation and development of th...1 Introduction Esophageal cancer is one of the major malignant diseases in China and its etiology isstill unclear. Some reports have shown that trace elements play important roles in thecausation and development of the cancer. Hair is generally considered to be an indicarorof the trace elements in human bodies. The contents of trace elements in human scalphair can be determined by means of proton-induced X-ray emission (PIXE), a novel tech-展开更多
基金National Natural Science Foundation of China (NSFC) partly supported by Laboratory of Nuclear Analysis Techniques. Academia Sinica (LNAT).
文摘1 Introduction Esophageal cancer is one of the major malignant diseases in China and its etiology isstill unclear. Some reports have shown that trace elements play important roles in thecausation and development of the cancer. Hair is generally considered to be an indicarorof the trace elements in human bodies. The contents of trace elements in human scalphair can be determined by means of proton-induced X-ray emission (PIXE), a novel tech-