[Conventional radiotherapy and cobalt teletherapy in the treatment of cancers of the pyriform sinus. (Comparison of 2 series of 80 cases)].
D003035:Cobalt; D003036:Cobalt Isotopes; D006801:Humans; D009369:Neoplasms; D010610:Pharyngeal Neoplasms; D056144:Pyriform Sinus; D011867:Radioisotope Teletherapy; D011878:Radiotherapy
D003036:Cobalt Isotopes; D003035:Cobalt
COBALT ISOTOPES; PHARYNGEAL NEOPLASMS; RADIOISOTOPE TELETHERAPY; RADIOTHERAPY