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通过基因工程制造的人生长激素已由美国食品与药物管理局批准,用于治疗儿童的某些类型的侏儒症。此种合成的生长激素填补了一个空白。美国至少有3,500名儿童和成年人患生长
Human growth hormones made by genetic engineering have been approved by the U.S. Food and Drug Administration for the treatment of certain types of dwarfism in children. This synthetic growth hormone fills a void. At least 3,500 children and adults in the United States are suffering from the disease