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.
ASA was a wholly owned subsidiary of Delta Air Lines under the Delta Connection, Inc., holding company from May 11, 1999, to September 7, 2005, when it was purchased by SkyWest, Inc, the parent company of SkyWest Airlines.