The noradrenaline content of the vas deferens of the guinea-pig.
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Biomedical subjects
Publications and source records attributed to V Harrison.
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The social and psychological development of children from birth to adolescence is described using the framework of Jean Piaget's theory of cognitive development. This theory proposes that children's understanding of the world proceeds through four broad stages, with each stage demonstrating an increasingly sophisticated understanding of concepts and how they can be used. The relevance of this development for children's understanding of oral health, disease and dental care is discussed.
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