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Physical activity increases bone mass during growth.

BACKGROUND: The incidence of fragility fractures has increased during the last half of the 1990's. One important determinant of fractures is the bone mineral content (BMC) or bone mineral density (BMD), the amount of mineralised bone. If we could increase peak bone mass (the highest value of BMC reached during life) and/or decrease the age-related bone loss, we could possibly improve the skeletal

Dynamical Systems Associated with Crossed Products

In this paper, we consider both algebraic crossed products of commutative complex algebras A with the integers under an automorphism of A, and Banach algebra crossed products of commutative C*-algebras A with the integers under an automorphism of A. We investigate, in particular, connections between algebraic properties of these crossed products and topological properties of naturally associated d

Evaluation of Code Review Methods through Interviews and Experimentation

This paper presents the results of a study where the effects of introducing code reviews in an organisational unit have been evaluated. The study was performed in an ongoing commercial project, mainly through interviews with developers and an experiment where the effects of introducing code reviews were measured. Two different checklist-based review methods have been evaluated. The objectives of t