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辽宁省沈若冰来信问:我有一个老毛病就是头痛,虽然不影响工作可也非常痛苦,请问这种神经性头痛有方法预防
Shen Ruo-Bing, Liaoning Province, to a letter Q: I have a headache is a headache, although it does not affect the work can be very painful, may I ask this nerve headache prevention methods