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从历次战争战伤的统计数字中可以看出,破伤风的预防效果一直在进步,在两次世界大战中应用的一些方法,证明已达到很成功的程度;但是不论在理论方面或者在实
As can be seen from the statistics of the wars in all wars, the preventive effect of tetanus has been improving. Some of the methods used in the two world wars have proved to be very successful; however, both in theory and in practice