title: Fall-off of dose due to electron contamination in Co-60 build-up region-an indirect study with TLD (LiF).
mesh_terms: D003037:Cobalt Radioisotopes; D011829:Radiation Dosage; D011867:Radioisotope Teletherapy; D011874:Radiometry
chemical_list: D003037:Cobalt Radioisotopes