American Board of Internal Medicine, a non-profit, independent physician evaluation organization
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Angkatan Belia Islam Malaysia, an Islamic organisation founded by Muslim students
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American Baptist International Ministries, an international Protestant Christian missionary society
Prior to her decade at ABIM, Dr. Cassel previously served as President of the American Federation for Aging Research and the American College of Physicians.
Sanford served as councillor, secretary and then president of the Infectious Diseases Society of America (1966 to 1979.) He also served as chairman of the Accreditation Council on Graduate Medical Education, chairman of the American Board of Internal Medicine and chairman of the ABIM's Subspecialty Committee on Infectious Diseases.