B12 deficiency anemia may also be caused by a lack of intrinsic factor-pernicious anemia. The patient's digestive system cannot absorb B12 properly. Signs and symptoms of pernicious anemia may include: 1  Fatigue.2  Shortness of breath. 3  Palpitations.12 deficiency anemia may also be caused by a lack of intrinsic factor-pernicious anemia. The patient's digestive system cannot absorb B12 properly. Signs and symptoms of pernicious anemia may include: 1  Fatigue. 2  Shortness of breath.
Unlike, say, Expedia, which is an independent online travel agent (it's owned by Microsoft) that displays fares provided by all carriers, Orbitz is owned by American Airlines, Continental, Delta, Northwest and United, which alone account for more than three quarters of the total U.S. air travel market.hat's because Southwest has never really been one of industry pack. Part of the difference is that Southwest has been the most consistently profitable airline over the last 30 years precisely at the expense of the other major carriers.
Airline travel site Orbitz cleared for takeoff. By Jayne O'Donnell, USA TODAY. The nation's biggest airlines are taking aim at the last piece of the business they don't dominate: Ticket sales.It won't have the lowest fares for every airline. Low-fare carriers such as JetBlue, AirTran and Frontier are not charter members of Orbitz and are not bound by the site's contract requiring airlines to give it the best published deals offered on other sites or to the public through travel agents.