Works matching IS 00942405 AND DT 1993 AND VI 20 AND IP 4

Results: 38

The need for investigating the optical transfer functions in several field orientations for nonisotropic radiographic systems.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 999, doi. 10.1118/1.597146

By:

Schiabel, Homero;
Frére, Annie France;
Azevedo Marques, Paulo M.

Publication type:

Article

A sensitive noninvasive analysis of Pt in external tissues. Followup of Pt deposition following cisplatin treatment.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1007, doi. 10.1118/1.596997

By:

Gorodetsky, Raphael;
Vexler, Akiva;
Mou, Xiaode;
Kaufman, Bella;
Loewenthal, Elia

Publication type:

Article

Effects of x-ray tube-voltage ripple and current mode on patient dose.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1023, doi. 10.1118/1.596999

By:

Kubota, Hideaki;
Ozaki, Yoshiaki;
Matsumoto, Masao;
Kanamori, Hitoshi

Publication type:

Article

Determination of x-ray tube focal spot position.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1029, doi. 10.1118/1.597122

By:

Kubota, Hideaki;
Ozaki, Yoshiaki;
Matsumoto, Masao;
Kanamori, Hitoshi

Publication type:

Article

Mechanisms of signal loss in magnetic resonance imaging of stenoses.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1049, doi. 10.1118/1.597001

By:

Gatenby, J. C.;
McCauley, T. R.;
Gore, J. C.

Publication type:

Article

Two-dimensional pulsatile hemodynamic analysis in the magnetic resonance angiography interpretation of a stenosed carotid arterial bifurcation.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1059, doi. 10.1118/1.597002

By:

Tasciyan, Talin A.;
Banerjee, Rupak;
Cho, Young I.;
Kim, Richard

Publication type:

Article

Long term study of random noise and signal uniformity in spin-echo brain imaging.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1071, doi. 10.1118/1.597003

By:

Chandra, Ramesh;
Rusinek, Henry

Publication type:

Article

An unbiased signal-to-noise ratio measure for magnetic resonance images.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1077, doi. 10.1118/1.597004

By:

McGibney, G.;
Smith, M. R.

Publication type:

Article

Compensation for attenuation, scatter, and detector response in SPECT reconstruction via iterative FBP methods.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1097, doi. 10.1118/1.597006

By:

Liang, Zhengrong

Publication type:

Article

Computer-assisted positioning of radiotherapy patients using implanted radiopaque fiducials.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1153, doi. 10.1118/1.596969

By:

Gall, Kenneth P.;
Verhey, Lynn J.;
Wagner, Miles

Publication type:

Article

Dosimetry considerations of bone-seeking radionuclides for marrow ablation.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1089, doi. 10.1118/1.597005

By:

Bayouth, J. E.;
Macey, D. J.

Publication type:

Article

The effect of strong longitudinal magnetic fields on dose deposition from electron and photon beams.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1171, doi. 10.1118/1.597149

By:

Bielajew, Alex F.

Publication type:

Article

Calculation of absorbed dose ratios using correlated Monte Carlo sampling.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1189, doi. 10.1118/1.597163

By:

Ma, Chang-ming;
Nahum, Alan E.

Publication type:

Article

Optimization of the dose delivery in a few field techniques using radiobiological objective functions.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1201, doi. 10.1118/1.596971

By:

Södertröm, Svante;
Brahme, Anders

Publication type:

Article

Beam quality specification for photon beam dosimetry.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1181, doi. 10.1118/1.597150

By:

Kosunen, A.;
Rogers, D. W. O.

Publication type:

Article

Effect of energy resolution on scatter fraction in scintigraphic imaging: Monte Carlo study.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1107, doi. 10.1118/1.597007

By:

Kojima, Akihiro;
Matsumoto, Masanori;
Takahashi, Mutsumasa;
Uehara, Shuzo

Publication type:

Article

Dead time of an anger camera in dual-energy-window-acquisition mode.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1115, doi. 10.1118/1.597008

By:

Zasadny, Kenneth R.;
Koral, Kenneth F.;
Swailem, Fayez M.

Publication type:

Article

A theoretical analysis using ratios of the major elements measured by neutron activation analysis to derive total body water, protein, and fat.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1129, doi. 10.1118/1.597009

By:

Sutcliffe, J. F.;
Smith, A. H.;
Barker, M. C. J.;
Smith, M. A.

Publication type:

Article

A ρ-θ technique for treatment verification in radiotherapy and its clinical applications.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1135, doi. 10.1118/1.596967

By:

Ding, George X.;
Shalev, Shlomo;
Gluchev, Georgi

Publication type:

Article

Automated determination of patient setup errors in radiation therapy using spherical radio-opaque markers.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1145, doi. 10.1118/1.596968

By:

Lam, Kwok Leung;
Haken, Randall K. Ten;
McShan, Daniel L.;
Thornton, Allan F.

Publication type:

Article

Use of an octree-like geometry for 3-D dose calculations.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1219, doi. 10.1118/1.597151

By:

McShan, D. L.;
Fraass, B. A.

Publication type:

Article

Equivalent squares of irregular photon fields.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1229, doi. 10.1118/1.596973

By:

Tatcher, Morris;
Bjärngard, Bengt E.

Publication type:

Article

Evaluation of electron-beam uniformity during commissioning of a linear accelerator.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1233, doi. 10.1118/1.596974

By:

Mandelzweig, Y.;
Feygelman, V.

Publication type:

Article

New method for shielding electron beams used for head and neck cancer treatment.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1237, doi. 10.1118/1.597152

By:

Farahani, M.;
Eichmiller, F. C.;
McLaughlin, W. L.

Publication type:

Article

The effect of lead, gold, and silver backings on dose near 125I seeds.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1251, doi. 10.1118/1.597166

By:

Meli, Jerome A.;
Motakabbir, Kazi A.

Publication type:

Article

The half-life of high dose rate Ir-192 sources.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1257, doi. 10.1118/1.596976

By:

Podgorsak, Matthew B.;
DeWerd, Larry A.;
Paliwal, Bhudatt R.

Publication type:

Article

Medical accelerator safety considerations: Report of AAPM Radiation Therapy Committee Task Group No. 35.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1261, doi. 10.1118/1.596977

By:

Purdy, James A.;
Biggs, Peter J.;
Bowers, Charles;
Dally, Edgar;
Downs, Walter;
Fraass, Benedick A.;
Karzmark, C. J.;
Khan, Faiz;
Morgan, Paul;
Morton, Robert;
Palta, Jatinder;
Rosen, Isaac I.;
Thorson, Ted;
Svensson, Goran;
Ting, Joe

Publication type:

Article

An artificial neural network for estimating scatter exposures in portable chest radiography.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 965, doi. 10.1118/1.596978

By:

Lo, Joseph Y.;
Floyd, Carey E.;
Baker, Jay A.;
Ravin, Carl E.

Publication type:

Article

Image information transfer properties of x-ray intensifying screens in the energy range from 17 to 320 keV.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1013, doi. 10.1118/1.596998

By:

Ginzburg, A.;
Dick, C. E.

Publication type:

Article

Computer-aided diagnosis: Detection and characterization of hyperparathyroidism in digital hand radiographs.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 983, doi. 10.1118/1.596980

By:

Chang, Chair-Li;
Chan, Heang-Ping;
Niklason, Loren T.;
Cobby, Mark;
Crabbe, Jeffery;
Adler, Ronald S.

Publication type:

Article

A novel algorithm for the edge detection and edge enhancement of medical images.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 993, doi. 10.1118/1.596981

By:

Crooks, I.;
Fallone, B. G.

Publication type:

Article

Review of MR image segmentation techniques using pattern recognition.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1033, doi. 10.1118/1.597000

By:

Bezdek, J. C.;
Hall, L. O.;
Clarke, L. P.

Publication type:

Article

Considerations on the calibration of small thermoluminescent dosimeters used for measurement of beta particle absorbed doses in liquid environments.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1079, doi. 10.1118/1.597127

By:

Demidecki, Andrzej J.;
Williams, Lawrence E.;
Wong, Jeffrey Y. C.;
Wessels, Barry W.;
Yorke, Ellen D.;
Strandh, Margareta;
Strand, Sven-Erik

Publication type:

Article

A vectorized Monte Carlo code for modeling photon transport in SPECT.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1121, doi. 10.1118/1.597148

By:

Smith, Mark F.;
Floyd, Carey E.;
Jaszczak, Ronald J.

Publication type:

Article

A mathematical basis for selection of wedge angle and orientation.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1211, doi. 10.1118/1.596972

By:

Sherouse, George W.

Publication type:

Article

An evaluation of the EGS4 and CYLTRAN Monte Carlo codes with regard to boundary beta-ray dosimetry by comparison with experimental beta-ray dose backscatter factors.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1243, doi. 10.1118/1.596975

By:

Nunes, Josane;
Prestwich, William V.;
Kwok, Cheuk S.

Publication type:

Article

Automated selection of regions of interest for quantitative analysis of lung textures in digital chest radiographs.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 975, doi. 10.1118/1.596979

By:

Chen, Xuan;
Doi, Kunio;
Katsuragawa, Shigehiko;
MacMahon, Heber

Publication type:

Article

Monte Carlo optimization of metal/phosphor screens at megavoltage energies.

Published in:

Medical Physics, 1993, v. 20, n. 4, p. 1161, doi. 10.1118/1.596970

By:

Radcliffe, T.;
Barnea, G.;
Wowk, B.;
Rajapakshe, R.;
Shalev, S.

Publication type:

Article