objective to investigate pathogenic characteristics of peptic ulcer in pilots, and prevention and medical evaluation of peptic ulcer in pilots were evaluated.
目的探讨飞行人员消化性溃疡发病特点,评价飞行人员消化性溃疡的预防及医学鑒定。
objective analysis of children epithelial malignant tumors may show pathogenic characteristics of native children malignant tumors.
目的儿童上皮组织恶性肿瘤的分析,可以显示当地儿童恶性肿瘤的发病特点。
methods:to analyze the pathogenic characteristics and x-ray findings of 18 cases of pip.
方法:分析18例肺炎性假瘤的发病特点,发病机理及x线表现。
the pathogenic characteristics of the main productive varieties and resources are studied. this report also presents concrete objectives for variety deployment and selection of resistance resources.
并就新小种类型对目前主要生产品种和抗源的致病特点进行了研究,为品种布局和抗源选用提供了具体目标。
to compare the pathogenic characteristics of measles cases of natives and floating population in zhengzhou, in order to provide scientific basis for controlling measles.
目的了解郑州市当地和流动人口麻疹病例相同和不同的发病特点,为控制麻疹提供科学依据。