SIMON, N Skin sparing with cobalt-60 teletherapy; comment on cone design. [electronic resource] - The International journal of applied radiation and isotopes 1958 - 166-8 p. digital Publication Type: Journal Article ISSN: 0020-708X Standard No.: 10.1016/0020-708x(58)90012-7 doi Subjects--Topical Terms: CobaltCobalt RadioisotopesHumansRadiationRadioactivitySkin--radiation effects