The research team found that fifteen countries -- including the United States and Brazil -- had two-thirds of all preterm births. Sixty percent of preterm births happen in South Asia and sub-Saharan Africa.该研究小组发现包括美国和巴西在内的15个国家占到了早产数量的2/3。60%的早产发生在南亚和撒哈拉以南非洲地区。
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作者: 杨飞飞儿 时间: 2012-8-4 14:12
problems related to premature birth are the second most commom death in children ... after the...
the study found that if complication of preterm birth were more than million death surround the world every year作者: zhant220 时间: 2012-8-5 14:14
problems related to preterm births are the second most common cause of death in children under 5 after ... the study found this application of preterm births result in more than a million death around the world every year.作者: jizhao19960124 时间: 2012-8-10 21:56
