title: Time-dose factors (TDFs) in brachytherapy.
mesh_terms: D002587:Cesium Isotopes; D003037:Cobalt Radioisotopes; D004307:Dose-Response Relationship, Radiation; D006049:Gold Isotopes; D006207:Half-Life; D006801:Humans; D008433:Mathematics; D011868:Radioisotopes; D011879:Radiotherapy Dosage; D011886:Radon; D013997:Time Factors
chemical_list: D002587:Cesium Isotopes; D003037:Cobalt Radioisotopes; D006049:Gold Isotopes; D011868:Radioisotopes; D011886:Radon