Cancer marker tests are often proposed for three intended uses: screening, diagnosis, and monitoring. For each intended use, performance characteristics need to be well defined. The utility of a marker in a given setting depends heavily on two predominant performance characteristics--sensitivity and specificity. These parameters must be established with respect to the intended clinical use of t...

background: cancer is the third most common cause of death in iran. colorectal cancer is an ideal tumor for screening. therefore, early diagnosis through screening can reduce its prevalence and mortality. on the other hand, knowledge of practitioners about screening programs has a direct relationship with their performance. methods: in the present cross-sectional-educational study, knowledge, a...

introduction: pharmacists and pharmaceutical services are among the most important resources and programs in providing health for a society. pharmacists as the key players in presenting health services, greatly impact on the health of a society and if they suffer low job satisfaction, their dissatisfaction may relatively threaten health in a society. this study was conducted to determine irania...

OBJECTIVE To assess the ability of integrated first-trimester screening, combining maternal characteristics and biophysical and biochemical markers, to predict delivery of a small-for-gestational-age (SGA) neonate, and compare this with its ability to predict fetal growth restriction (FGR). METHODS This was a prospective cohort study of singleton pregnancies undergoing routine first-trimester...