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Central axis tissue--air ratios as a function of area-perimeter at depth and their applicability to irregularly shaped fields. 1972

D E Wrede

UI MeSH Term Description Entries
D011879 Radiotherapy Dosage The total amount of radiation absorbed by tissues as a result of radiotherapy. Dosage, Radiotherapy,Dosages, Radiotherapy,Radiotherapy Dosages
D003036 Cobalt Isotopes Stable cobalt atoms that have the same atomic number as the element cobalt, but differ in atomic weight. Co-59 is a stable cobalt isotope. Isotopes, Cobalt
D006283 Health Physics The science concerned with problems of radiation protection relevant to reducing or preventing radiation exposure, and the effects of ionizing radiation on humans and their environment. Radiologic Physics,Physics, Radiologic,Physics, Health
D000388 Air The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases.

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