David Followill

Differences in electron beam dosimetry using two commercial ionization chambers and the TG-21 protocol: another reason to switch to TG-51.

Neutron source strength measurements for Varian, Siemens, Elekta, and General Electric linear accelerators.

Comparison of electron beam characteristics from multiple accelerators.

Point/counterpoint. IMRT should not be administered at photon energies greater than 10 MV.

Design, development, and implementation of the radiological physics center's pelvis and thorax anthropomorphic quality assurance phantoms.

Variations in photon energy spectra of a 6 MV beam and their impact on TLD response.

The clinical impact of the couch top and rails on IMRT and arc therapy.

Assessment of shoulder position variation and its impact on IMRT and VMAT doses for head and neck cancer.

Experimental validation of deterministic Acuros XB algorithm for IMRT and VMAT dose calculations with the Radiological Physics Center's head and neck phantom.

Energy response of optically stimulated luminescent dosimeters for non-reference measurement locations in a 6 MV photon beam.

Emergence of integrated urology-radiation oncology practices in the State of Texas.

The Radiological Physics Center's standard dataset for small field size output factors.

Algorithms used in heterogeneous dose calculations show systematic differences as measured with the Radiological Physics Center's anthropomorphic thorax phantom used for RTOG credentialing.

Credentialing for participation in clinical trials.

Credentialing results from IMRT irradiations of an anthropomorphic head and neck phantom.

Accuracy and sources of error of out-of field dose calculations by a commercial treatment planning system for intensity-modulated radiation therapy treatments.

Dosimetric impact of Acuros XB deterministic radiation transport algorithm for heterogeneous dose calculation in lung cancer.

Development of a modified head and neck quality assurance phantom for use in stereotactic radiosurgery trials.

Development and implementation of a remote audit tool for high dose rate (HDR) Ir-192 brachytherapy using optically stimulated luminescence dosimetry.

Investigation of various energy deposition kernel refinements for the convolution∕superposition method.

Quality assurance for clinical trials.

Comparison of 2D and 3D gamma analyses.

Response to Thomsen et al.: Comments on "The Radiological Physics Center's standard dataset for small field size output factors".

RTOG 0631 phase 2/3 study of image guided stereotactic radiosurgery for localized (1-3) spine metastases: phase 2 results.

Reproducibility in patient-specific IMRT QA.

A six-year review of more than 13,000 patient-specific IMRT QA results from 13 different treatment sites.

Institutional patient-specific IMRT QA does not predict unacceptable plan delivery.

Toward optimizing patient-specific IMRT QA techniques in the accurate detection of dosimetrically acceptable and unacceptable patient plans.

Global harmonization of quality assurance naming conventions in radiation therapy clinical trials.

An evaluation of three commercially available metal artifact reduction methods for CT imaging.

Characterization of the nanoDot OSLD dosimeter in CT.

Technical Note: A Monte Carlo study of magnetic-field-induced radiation dose effects in mice.

Can radiomics features be reproducibly measured from CBCT images for patients with non-small cell lung cancer?

Imaging and Data Acquisition in Clinical Trials for Radiation Therapy.

Results From the Imaging and Radiation Oncology Core Houston's Anthropomorphic Phantoms Used for Proton Therapy Clinical Trial Credentialing.

Technical Report: Reference photon dosimetry data for Varian accelerators based on IROC-Houston site visit data.

Agreement Between Institutional Measurements and Treatment Planning System Calculations for Basic Dosimetric Parameters as Measured by the Imaging and Radiation Oncology Core-Houston.

Modification and validation of an analytical source model for external beam radiotherapy Monte Carlo dose calculations.

Approaches to reducing photon dose calculation errors near metal implants.

Examining credentialing criteria and poor performance indicators for IROC Houston's anthropomorphic head and neck phantom.

Highly Efficient Training, Refinement, and Validation of a Knowledge-based Planning Quality-Control System for Radiation Therapy Clinical Trials.

Reproducibility of patient setup in the seated treatment position: A novel treatment chair design.

Delta-radiomics features for the prediction of patient outcomes in non-small cell lung cancer.

Development of a Monte Carlo multiple source model for inclusion in a dose calculation auditing tool.

Development of a flattening filter free multiple source model for use as an independent, Monte Carlo, dose calculation, quality assurance tool for clinical trials.

Treatment Planning System Calculation Errors Are Present in Most Imaging and Radiation Oncology Core-Houston Phantom Failures.

Pencil Beam Algorithms Are Unsuitable for Proton Dose Calculations in Lung.

An FMEA evaluation of intensity modulated radiation therapy dose delivery failures at tolerance criteria levels.

Radiation Therapy Deficiencies Identified During On-Site Dosimetry Visits by the Imaging and Radiation Oncology Core Houston Quality Assurance Center.

Model for Estimating Power and Downtime Effects on Teletherapy Units in Low-Resource Settings.

Reference dosimetry data and modeling challenges for Elekta accelerators based on IROC-Houston site visit data.