Case–control studies are used often in epidemiologic studies to investigate the association between disease and one or more risk factors. With increasing frequency, the set of risk factors being considered includes genotypes at one or more susceptibility, candidate, or marker loci (see Markers). The goals of association studies will differ, depending on the state of knowledge about a given dise...

melamine is a new risk of urinary stones. gansu province is a heavily affected area and has large population and underdeveloped economy. we hypothesized that number of family members and family income may play significant roles in the formation of urinary stones. a case-control study was performed among 190 infants. results showed that the case group had less numbers of family members than the ...

background and aim: patients’ hospitalization is associated with family members’ anxiety. fulfilling family members’ needs such as providing them with information and helping them have physical contacts with their patients can alleviate their anxiety. this study was conducted to investigate the impacts of family members’ supportive presence in a neurological intensive care unit on their anxiety...

abstract introduction: the child control and supervising is a parental task. this ‎research is focus on dimensions of child control and supervising and effects ‎of these on children in military families. ‎ methods: the research method was descriptive and correlation the subjects ‎was 400 children of sepah staffs. the sampling method was double – cluster ‎and the collected data with family child...