Since OSA is a serious medical condition, it must be diagnosed by a physician. Once a diagnosis of sleep apnea is made, the severity of the dysfunction can be classified and treatment options will be given.
White House Anthrax Recommendations Remove Valuable Tool From First Responders: Technology Council Urges Review. The HDTC is a non-profit organization whose purpose is to advise government, business and the public on homeland defense technology issues.
HDLC vs SDLC. HDLC (High-Level Data Link Control) and SDLC (Synchronous Data Link Control) are two protocols that provide point to multipoint interconnection between computers. The main difference between HDLC and SDLC is actually their origin. SDLC was developed by IBM for use with their computers.