Immunological studies with nitrogenase from Azotobacter and bacterial nitrate reductases.
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Biomedical subjects
Publications and source records attributed to G R Clarke.
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This study has been prompted by the need to provide basic data for prospective studies in the management of the painful stiff shoulder. We have used a hydrogoniometric technique of proven accuracy to measure passive movement at the gleno-humeral joint in a normal population, patients currently attending with a painful stiff shoulder, and a retrospective group. We have shown that there are significant age and sex differences in the range of motion of normal and affected groups. A significant number (42 per cent) of patients had persisting limitation of range of the gleno-humeral joint six years after the onset of the disability. The study indicates the importance of matching patients for age and sex, and the need for long-term follow-up for meaningful results.
In a trial to determine the best palliative physiotherapy for the painful osteoarthrosic knee, radiological assessment was suggested as a measure for testing homogeneity of treatment groups. Preliminary observer error experiments showed that an accepted standard grading scheme was unsatisfactory. A different system was designed in which all three knee compartments were graded separately (medial, lateral and patello femoral), based on a comparison of supine and erect films. The two systems have been compared in use on the same set of radiographs, and the observer error results are presented. The advantages of grading each compartment separately are discussed.
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