Biomedical subjects
H Perry
Publications and source records attributed to H Perry.
Coronary care and the movement to the center.
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Automation of radiation treatment planning. VI. A general field equation to calculate percent depth dose in the irradiated volume of a cobalt 60 beam.
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Clinical evaluation of the treatment of advanced head and neck cancers with high-energy electron beams.
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Cancer therapy--computation and visualization of dose distribution in external beam therapy.
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A method of gamma-ray transport simulation in inhomogeneous media.
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Automation of radiation treatment planning. V. Calculation and visualisation of the total treatment volume.
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A programmable calculator to acquire, verify and record radiation treatment parameters from a linear acceleration.
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Automatic variation of field size and dose rate in rotation therapy.
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X-ray depth-dose characteristics of the Toshiba LMR-16.
The depth-dose characteristics of the Toshiba LMR-16 linear accelerator for 14-MeV x rays have been measured at an SSD of 100 cm using diodes and ion chambers. The surface dose and build-up depth both exhibit a considerable variation with field size. A new central axis model has been developed which takes account of these variations, and the agreement between the measured and computed data using this model is found to be excellent. Formulas are also presented to estimate the surface dose, buildup depth, and output factor as a function of field size.