Search for dissertations about: "Arne Nygren"

Found 2 swedish dissertations containing the words Arne Nygren.

  2. 1. Autolytinae: molecules, morphology, and reproduction

    Author : Arne Nygren; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Phylogeny; systematics; revision; new taxa; PhyloCode; reconstruction of ancestral states.;

    Abstract : Autolytines constitute a well delineated group of syllid polychaetes, separated from other syllids by the presence of a sinuous pharynx, lack of ventral cirri and reproduction with dimorphic sexes. The group comprises c. 170 nominal species distributed worldwide, mostly inhabiting hard substrates restricted to the continental shelf. READ MORE

  4. 2. On Dental Trauma in Children and Adolescents : Incidence, Risk, Treatment, Time and Costs

    Author : Ulf Glendor; Arne Halling; Lars Andersson; Åke Nygren; Linköpings universitet; []
    Keywords : adolescence; child; time; incidence; costs; permanent dentition; primary dentition; risk; tooth injuries; MEDICINE; MEDICIN;

    Abstract : Background: Dental trauma occur in childhood and adolescence with consequences in time and costs for both patient and family. The scientific knowledge of these matters is scarce. For some individuals, dental trauma will result in long, time-consuming and costly treatments in childhood which will continue into adulthood. READ MORE