title: Dosimetry study of split beam technique using megavoltage beams and its clinical implications--I. 60Co beam, head and neck tumors.
mesh_terms: D006258:Head and Neck Neoplasms / Q000532:radiotherapy*; D006801:Humans; D011832:Radiation Injuries / Q000517:prevention & control; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D013679:Technology, Radiologic