published in International Archives of Occupational and Environmental Health. This paper has been peer-reviewed but does not include the final publisher proof-corrections or journal pagination.

which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Background: Physical trauma is an important cause of childhood morbidity and mortality in Africa. There are however, few community-based reports on the subject on the continent. The present study was conducted to explore school children's experience of physical trauma in a disadvantaged periurban area of Blantyre, in Malawi. Methods: A cross sectional questionnaire study was carried out among school children in Ndirande-Blantyre, Malawi in 2004. Data were obtained to describe the following aspects of trauma experience: being a victim or observer of motor vehicular accidents involving pedestrians; history of falls from heights; and knowledge about road safety. Sex differences were determined for some of the variables in order to gain insights as to whether there is a difference in trauma experience between boys and girls. Results: A total of 217 school children, 99 (45.6%) boys and 118 (54.4%) girls participated in the study. Eight of them reported to have ever been hit by a motor vehicle, 87 (40.1%) had witnessed a road accident where a pedestrian had been hit and 83 (38.2%) had witnessed a pedestrian they

Characterization of the epithelial sodium channel α subunit coding and non-coding transcripts and their corresponding mRNA expression levels in Dahl R versus S rat kidney cortex on normal and high salt diet

Negative staining is the EM technique most widely ap-plied to the analysis of Ig structure. In its simplest form, tar-get molecules are allowed to adhere to thin carbon films at-tached to EM grids, then are flooded with an electron-dense stain. The bulk or the stain is removed by capillary action

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