title: Gap-stepped MLC leaves with filler blades can eliminate tongue-and-groove underdoses when delivering IMRT with maximum efficiency.
authors.affiliation: Joint Department of Physics, Institute of Cancer Research and Royal Marsden NHS Trust, Surrey, UK.
authors.forename: J R
authors.initials: JR
authors.lastname: Symonds-Tayler
authors.forename: S
authors.initials: S
authors.lastname: Webb
mesh_terms: D004867:Equipment Design; D011878:Radiotherapy / Q000295:instrumentation* / Q000379:methods / Q000592:standards*; D011879:Radiotherapy Dosage; D015203:Reproducibility of Results; D012542:Scattering, Radiation