U. s. officials recommend babies be breastfed for the first year of life. The World Health Organization says breastfeeding should last two years.
美国官员建议婴儿在一岁之前一直使用母乳喂养。世界卫生组织表示，母乳喂养应该坚持两年时间。
The assessment comes as a U. S. Food and Drug Administration advisory panel mulls whether to recommend approval of the intravenous drug for atrial fibrillation (AF).
这一评估来源于一个美国食品与药品监督管理局的顾问团提出，对于治疗心房颤动的注射药物是否批准需要进行慎重考虑。
The assessment comes as a U. S. Food and Drug Administration advisory panel mulls whether to recommend approval of the intravenous drug for atrial fibrillation (AF).
这一评估来源于一个美国食品与药品监督管理局的顾问团提出，对于治疗心房颤动的注射药物是否批准需要进行慎重考虑。
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