Central axis tissue-air ratios as a function of area/perimeter at depth and their applicability to irregularly shaped fields

This publication has 2 references indexed in Scilit:

• Measurement of Tissue-Air Ratios and Scatter Functions for Large Field Sizes, for Cobalt 60 Gamma Radiation
  The British Journal of Radiology, 1966
• Automation of Radiation Treatment Planning—IV. Derivation of a Mathematical Expression for the per cent Depth Dose Surface of Cobalt 60 Beams and Visualisation of Multiple Field Dose Distributions
  The British Journal of Radiology, 1964