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Din sökning på "swedish" gav 93067 sökträffar

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BACKGROUND AND OBJECTIVES: Few studies have demonstrated that bacterial vaginosis (BV) is associated with sexual behavior risk factors similar to those for other sexually transmitted diseases. The objective of this study was to determine the prevalence of these factors in a multivariate analysis of data from women infected with BV and Chlamydia trachomatis, and noninfected control subjects. GOALS:

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Background: Symptoms from the upper gastrointestinal tract are frequently encountered in clinical practice and may be of either organic or functional origin. For some of these conditions, according to the literature, certain management strategies can be recommended. For other conditions, the evidence is more ambiguous. The hypothesis that guided our study design was twofold: Management strategies

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OBJECTIVE: To investigate differences in snuff consumption, socio-demographic and psychosocial characteristics between baseline daily smokers who had remained daily smokers, become intermittent smokers or stopped smoking at the 1-year follow-up. DESIGN, SETTING, PARTICIPANTS AND MEASUREMENTS: A population of 12 507 individuals aged 45-69 years, interviewed at baseline in 1992-94 and at a 1-year fo

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1. When assessing the cause of population absence or decline, it is important to understand the relative effect of local, regional and global factors. In this study we evaluated the first of these factors for two frog populations. 2. Amphibians are often absent from intensively farmed areas. There could be several reasons for this, one of them being the quality of the aquatic habitat available fo

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The timing of the commencement of photosynthesis (P-*) in spring is an important determinant of growing-season length and thus of the productivity of boreal forests. Although controlled experiments have shed light on environmental mechanisms triggering release from photoinhibition after winter, quantitative research for trees growing naturally in the field is scarce. In this study, we investigated