Search for dissertations about: "Birgit Johansson"
Found 3 swedish dissertations containing the words Birgit Johansson.
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1. Bad breath : prevalence, periodontal disease, microflora and inflammatory markers
Abstract : Bad breath usually originates within the oral cavity and is believed to be associated with periodontal disease. The over all aim of the present thesis was to study periodontal conditions in subjects with bad breath as well as the prevalence of bad breath in subjects with periodontal disease. READ MORE
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2. Perceptions of mathematics in preschool: "-Now we have a way of talking about the mathematics that we can work with"
Abstract : The overarching question for this thesis is what is preschool mathematics? This question is examined using different points of views or different perspectives such as the children’s, the preschool teachers and the researchers. The foundation for this thesis is seven articles, two single author articles and five co-authored articles. READ MORE
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3. Molluscs, Environment and Man - A Bioarchaeological Approach in Sweden
Abstract : The thesis aims to examine the role and use of molluscs in Swedish prehistory, in chorological and chronological aspects. Molluscs live in the sea, fresh water and on land. The Swedish mollusc fauna contains 623 taxa: 417 marine, 85 limnic and 121 terrestrial species. READ MORE