Camiel, M R Opaque portal ruler for cobalt therapy. With special reference to its use with uterine cervix carcinoma. [electronic resource] - The American journal of roentgenology, radium therapy, and nuclear medicine Feb 1967 - 379-81 p. digital Publication Type: Journal Article ISSN: 0002-9580 Subjects--Topical Terms: Cobalt Isotopes--therapeutic useFemaleHumansRadiographyRadiotherapy--instrumentationTechnology, RadiologicUterine Cervical Neoplasms--diagnostic imaging