【摘 要】
：
一、死亡情况分析由于卫生设施、营养状况和住居条件的改善,儿童免疫制剂和抗生素的应用,美国1～14岁儿童少年的死亡率已由1900年的870/10万下降至现时的40/10万,10～14岁为35.1
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一、死亡情况分析由于卫生设施、营养状况和住居条件的改善,儿童免疫制剂和抗生素的应用,美国1～14岁儿童少年的死亡率已由1900年的870/10万下降至现时的40/10万,10～14岁为35.1/10万,
I. ANALYSIS OF DEATH The mortality rate of adolescent children aged from 1 to 14 in the United States has dropped from 870/10 million in 1900 to about 40/100 in the United States as a result of improvements in sanitary facilities, nutrition and living conditions, the use of children’s immunosuppressants and antibiotics, 100,000, 10 to 14 years old 35.1 / 100,000,
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