在20世纪80年代，普及率达到很高的水平，然后停滞不前，因为面临顽固的障碍，例如我们在根除脊髓灰质炎和麦地那龙线虫病的最后阶段中所见到的障碍。
In the 1980s, coverage reached a high level and then stagnated, facing stubborn obstacles like those we see in the last stretch of polio and guinea worm eradication.
患有2型糖尿病儿童的家长们得知，他们超重的孩子身上那顽固的脏皮肤原来是黑棘皮病，一种胰岛素抵抗的症状。
Parents of children with type 2 diabetes learn that what they thought was stubbornly dirty skin on their overweight child is actually acanthosis nigricans, a symptom of insulin resistance.
目的探讨顽固性复发性急性白血病的治疗及有效化疗方案。
Objective To discuss the treatment of obstinate acute leukaemia of recurring and effective chemotherapy scheme.
应用推荐