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BrainLab/MHI Vero
BrainLab/Varian Novalis
Elekta Infinity
USA
Europe
Tomotherapy Hi Art
Elekta
Compact
Varian Truebeam
Dallas, TX
Brussel, Aalst, BE
Munich, GE
Zurich, CH
Milano, IT
Como, IT
Phys. Med. Biol. 57 (2012) 2997–3011)
O-ring stability