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Biomedical subjects

P J Hardy

Publications and source records attributed to P J Hardy.

4 recordsLinked to original sources

Cervical spine injuries to children under 11: should we use radiography more selectively in their initial assessment?

OBJECTIVES: To assess the effectiveness of cervical spine radiography in injured children under 11 years old, and suggest improvements. METHODS: Retrospective survey of radiographs and accident and emergency records for children examined during a one year period in a large teaching hospital. RESULTS: No cervical spine fractures occurred in this age group during the year. The recorded clinical findings did not always justify radiography. CONCLUSIONS: Clinical examination appears undervalued by those assessing injured children and is poorly recorded. Radiography can be used more selectively. Initial assessment using a single lateral projection can be followed in doubtful cases by cross sectional imaging.

Age Distribution↗

Paradoxical pain.

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Drug Resistance↗

Metabolism of sugars and organic acids in immature grape berries.

Individual intact excised immature Sultana berries were supplied through the cut pedicel with (14)C-sugars and organic acids. When (14)C-hexoses were supplied malic and tartaric acids accounted for 25% and 10% of the total activity extracted after 24 hours, and sucrose was synthesized. It is proposed that the changes in the levels of organic acids during ripening are related to changes in the ability of the berry to synthesize them. Although administration of uniformly labeled sucrose resulted in the unequal labeling of glucose and fructose, the results indicate breakdown of sucrose by invertase. It is suggested that the route of entry of the pedicel-fed sugars into the berry may be different from the route taken by sugar translocated from the leaf.

Journal Article↗