医学 >>> 基础医学 临床医学 口腔医学 性科学 肿瘤学 预防医学与卫生学 军事医学与特种医学 药学 中医学与中药学 生物医学工程
搜索结果: 1-15 共查到医学 survey相关记录193条 . 查询时间(0.109 秒)
Background: Studies in older adults and animals have suggested contrasting relations between bone health and different vitamin A compounds. To our knowledge, the associations between maternal vitamin ...
Background: Studies in older adults and animals have suggested contrasting relations between bone health and different vitamin A compounds. To our knowledge, the associations between maternal vitamin ...
Serum retinyl ester concentrations are elevated in hypervitaminosis A. It was suggested that retinyl esters > 10% of total serum vitamin A indicate potential hypervitaminosis, but this cutoff was d...
High circulating total homocysteine (tHcy) concentrations are associated with stroke, which is a major cause of cognitive dysfunction. Blood homocysteine concentrations are inversely correlated wit...
Inadequate vitamin A status has been a potential nutritional problem for some segments of the US population, particularly children and the poor.
Previous studies suggested that diabetes mellitus may lower serum vitamin C concentrations, but most of these studies used clinic-based populations with established diabetes of varying duration and...
The elevation of circulating total homocysteine concentrations in a fasting state is associated with an increased risk of occlusive vascular disease.
Little is known about the relations between race or ethnicity, educational attainment, and serum and red blood cell folate concentrations.
Background: Most American mothers who feed human milk (HM) now use pumps to produce some of the HM they feed. Pumping is nationally recommended, but associations between pumping and HM-feeding duratio...
The aim of this internet-based questionnaire was to determine risk factors for the development and survival of gastric dilatation and volvulus (GDV) in dogs in central Europe. The questionnaire focu...
Background: To date, no study has addressed the association between race/ethnicity and obesity considering other sociodemographic and lifestyle factors in Iran.
Background: Identifying and employing appropriate learning styles could play an important role in selecting teaching styles in order to improve education.
Although many medical schools have adopted a variety of methods to assess student competency, the extent to which these innovations have changed how decisions about student progress are made is not ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...