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oa South African Medical Journal - Carcinoma of the cervix : treatment with radio-active cobalt60 : the use of ring applicators

 

Abstract

The physical properties of radium and cobalt60 are compared and cobalt60 is seen to possess certain advantage as a substitute for radium as an external gamma-ray source. The design, construction and loading of a cobalt60 ring applicator for use in treatment of carcinoma of the cervix are descriptionbed and the dose distributions from one applicator and two applicators suitably spaced, are illustrated. A descriptionption of the measurement of dose rate at the centre of such rings by comparing with radium is given and a 10% deviation from theory noted. Results of absorption measurements how half of this error to be due to absorption in the applicator, but a 5% variation is still unaccounted for.

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/content/m_samj/25/30/AJA20785135_26253
1951-07-01
2016-12-06
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