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Health Physics|April 1, 1996
Obliquity factors for 60 Co and 4, 10, and 18 MV x rays for concrete, steel, and lead and angles of incidence between 0 and 70 degreesP J BiggsPhysics in Medicine and Biology|November 14, 1998
Evidence for a significant timer error on a linear accelerator: consequences for a special therapy applicationP J BiggsHealth Physics|September 30, 1998
Determination of the shielding for an unoccupied roof of a radiation therapy facility to account for adjacent buildings--modification of a computer programP J BiggsInternational Journal of Radiation Oncology, Biology, Physics|July 1, 1982
An intra-oral cone for an 18 MeV linear acceleratorP J Biggs, C C WangHealth Physics|August 22, 2001
Measurement of scatter factors for 4, 6, 10, and 23 MV x rays at scattering angles between 30 degrees and 135 degreesI P Nogueira, P J BiggsMedical Physics|July 1, 1979
Electrons as the cause of the observed dmax shift with field size in high energy photon beamsP J Biggs, C C LingInternational Journal of Radiation Oncology, Biology, Physics|January 1, 1986
A beam width improving device for a 25 MV X ray beamP J Biggs, W U ShipleyMedical Physics|October 27, 1999
Measurement of the collection efficiency of a large volume spherical ionization chamber in megavoltage therapy beamsP J Biggs, I P NogueiraMedical Physics|September 1, 1983
Geometric reconstruction of seed implants using a three-film techniqueP J Biggs, D M KelleyInternational Journal of Radiation Oncology, Biology, Physics|July 1, 1984
Breakaway safety feature for an intra-oral cone systemP J Biggs, C C WangPageof 19