Author Bios



Aaron Betts, M.D., Carlos Esquivel, M.D., and William T. O’Brien, Sr., D.O.

Aaron Betts, M.D., Carlos Esquivel, M.D., and William T. O’Brien, Sr., D.O.

Dr. Betts and Dr. O'Brien work with the Department of Diagnostic Imaging, Wilford Hall Ambulatory Surgical Center, San Antonio, TX and Dr. Esquivel works with the Department of Otolaryngology, Wilford Hall Ambulatory Surgical Center, San Antonio, TX .

Articles Written


Matthew Minor, M.D. and William T. O’Brien, Sr., D.O.

Matthew Minor, M.D. and William T. O’Brien, Sr., D.O.

Dr. Minor is with the Department of Radiology, Wilford Hall Ambulatory Surgical Center, Joint Base San Antonio-Lackland, TX; Dr. O'Brien is with the Department of Radiology, David Grant USAF Medical Center, Travis Air Force base, CA, and the Department of Radiology, Uniformed Services University of the Health Sciences, Bethesda, MD.

Articles Written


Stefan Hamelin, M.D., William T. O’Brien, Sr., D.O.

Stefan Hamelin, M.D., William T. O’Brien, Sr., D.O.

Dr. Hamelin and Dr. O'Brien work with the Department of Diagnostic Imaging, Wilford Hall Ambulatory Surgical Center, San Antonio, TX.

Articles Written


William T. O’Brien, Sr., D.O.

William T. O’Brien, Sr., D.O.

Dr. O'Brien is with the Division of Neuroradiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH and the Department of Radiology, University of Cincinnati Medical Center, Cincinnati, OH.

Articles Written



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