title: [THE SIGNIFICANCE OF THE PENUMBRA FOR SMALLER QUADRATIC AND CIRCULAR IRRADIATION FIELDS].
mesh_terms: D003036:Cobalt Isotopes; D001330:Electronic Data Processing; D006801:Humans; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage
chemical_list: D003036:Cobalt Isotopes
keywords: AUTOMATIC DATA PROCESSING; COBALT ISOTOPES; RADIOISOTOPE TELETHERAPY; RADIOTHERAPY DOSAGE
vernacular_title: DIE BEDEUTUNG DES HALBSCHATTENS FUER KLEINERE QUADRATISCHE UND KREISFOERMIGE BESTRAHLUNGSFELDER.