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NTHC PHYSICIANS
Rolex reduced the operating frequency from 36,000vph to 28,800vph, removed the date function, modified the escapement system, and replaced the balance spring. All of this made for a more reliable movement. Over three decades later best rolex replica, prices for the "Zenith Daytona" start at roughly €20K and move up to €45K for a "Patrizzi dial" or €125K for a rare "Porcelain dial" version.
R BARRETT STEELMAN, MD, FACC, FACP
Dr. R. Barrett Steelman is a founding member of North Texas Heart Center. He has been practicing cardiology in Dallas for over 30 years. He served as Chief of Cardiology at Presbyterian Hospital of Dallas from 1977 to 1992 and as
the interim Chairman of Internal Medicine from 1986 to 1988. Dr. Steelman graduated from Hahnemann University School of Medicine. He completed his internal medicine residency at Georgetown University Hospital, Washington, DC and his fellowship in cardiology at Georgetown University Hospital and at the Brigham and Women’s Hospital, Harvard Medical School, in Boston, MA. He is board certified in Internal Medicine and Cardiovascular Diseases. Dr. Steelman has been named to the Best Doctors in Dallas and the Best Doctors in America list for a number of years.
Office: Presbyterian Dallas: 214-361-3300
Undergraduate Education:

University of Arizona, Tucson,  AZ, BS
Medical School:

Hahnemann Medical College, Drexel University, Philadelphia,  PA
Residency Training:

Georgetown University Hospital, Washington, D.C.
Fellowship:

Georgetown University Hospital, Washington, D.C.
Specialties: Cardiovascular Diseases
Board Certifications: Internal Medicine, Cardiovascular Diseases
Professional Societies: American College of Cardiology, American Heart Association, American College of Physicians