Instrument nonlinearities and therapy unit timer error.
1972
M Rozenfeld
UI
MeSH Term
Description
Entries
D011137
Polystyrenes
Polymerized forms of styrene used as a biocompatible material, especially in dentistry. They are thermoplastic and are used as insulators, for injection molding and casting, as sheets, plates, rods, rigid forms and beads.
Polystyrol,Polystyrene,Polystyrols
D011867
Radioisotope Teletherapy
A type of high-energy radiotherapy using a beam of gamma-radiation produced by a radioisotope source encapsulated within a teletherapy unit.