Ewell L., Bhullar A. and Stea B., 'Voxel Location Dependence of Brain
Metabolites as Determined by Magnetic Resonance Spectroscopy'. SU-GG-I-150,
Medical Physics 37(6), 3136 June 2010.
abstract (pdf).
poster (ppt).

Ewell L., Bhullar A., Kim J. and Stea B., 'Difficulties in Glioma
Diagnosis/Monitoring: Apparent Diffusion Coefficients, Magnetic Resonance
Spectroscopy and the Role of Uncertainty', Presented at and Published in
the Abstracts of the 6th IBMISPS World Congress for Brain Mapping and
Image Guided Therapy, Boston, MA, Aug. 26-29, 2009.
abstract (doc).
talk (ppt).

Bhullar A, Ewell L, McDaniels T, Stea B., Metabolic Concentrations and
Ratios of Brain Tissue. Frontiers in Medical Research, University Medical
Center, Tucson AZ 10/15/08.
abstract (html).
poster (ppt).

Ewell L, Vijayakumar N, Rodriguez J, Stea B, 'Inferior Brain Lesions
Monitored Using Diffusion Weighted Magnetic Resonance Imaging' 2008
Sino-American Network for Therapeutic Radiology and Oncology,
August 28-30, Beijing, China.
abstract (doc).
poster (ppt).

Tim McDaniels and Lars Ewell, Method for Determining Apparent Diffusion
Coefficient(ADC) Values for Cerebral Lesions From Diffusion Weighted
Magnetic Resonance Imaging Examinations. SU-GG-I-126, Medical Physics
35(6), 2671 June, 2008.
abstract (pdf).
poster (pdf).

Ewell L., Watchman C., Wharton K. Sulci density map to aid in use of
apparent diffusion coefficient for therapy evaluation. Magn. Reson.
Imag. 26 (2008) 20-25.
pdf_copy .

Narendhran Vijayakumar and Lars Ewell. Relationship of Uncertainty in
Pixel Intensity to Apparent Diffusion Coefficient Calculation
SU-FF-I-77, Medical Physics 34(6), 2355, June 2007.
abstract (pdf).
poster (ppt).

Ewell L and Vijayakumar N. The Dependence of Apparent Diffusion
Coefficient on B-values and Voxel Location, International Journal of
Radiation Oncology Biology Physics, 69(3) Supplement 1, S713, 1
November 2007.
abstract (pdf).
poster (ppt).