American Osteopathic Board of Surgery
The American Osteopathic Board of Surgery (AOBS) is an organization that provides board certification to qualified Doctors of Osteopathic Medicine (D.O.) who specialize in the use of surgery to aid in the diagnosis and treatment of disease (surgeons). The board is one 18 medical specialty certifying boards of the American Osteopathic Association Bureau of Osteopathic Specialists approved by the American Osteopathic Association (AOA).
Source: Wikipedia — American Osteopathic Board of Surgery (CC BY-SA 4.0)