[Exertion test and the female. An experience of false-positives revealed by pre-medication with oxprenolol].
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Biomedical subjects
Publications and source records attributed to E Ferrara.
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The Authors described a case of tricuspid valve prolapse without occurrence of mitral valve prolapse in a patient affected by Ebstein's anomaly and atrial septal defect. The possible mechanisms of such apparatus valvular dysfunction are analyzed.
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To establish a system for the measurement of electrolytic conductivity in aqueous solutions with traceability to the SI, a cell has been developed with a removable central section providing an accurate determination of the geometrical constant. As the concentration unit mass/mass, based and referred to the amount of substance in the SI, is recommended by international organisations, 0.1 molal KCl samples have been prepared and analysed. Results over a temperature range from 20 degrees C to 35 degrees C are presented. The main sources of error have been estimated and relative uncertainty has been assessed to remain at the level of 0.6%. Satisfactory agreement is observed when the results are compared with the reference values available from literature.
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