title: A new pneumatic transfer system for the Bryant-Symons "head and neck" radiotherapy unit.
mesh_terms: D000388:Air; D002587:Cesium Isotopes / Q000627:therapeutic use*; D003037:Cobalt Radioisotopes / Q000627:therapeutic use*; D008722:Methods; D009757:Nylons; D011867:Radioisotope Teletherapy / Q000295:instrumentation*
chemical_list: D002587:Cesium Isotopes; D003037:Cobalt Radioisotopes; D009757:Nylons