by Angelo DeSantis/ Flickr. SkyTeam is the youngest of the three major airline alliances, founded in 2000 by four airlines that together provided strategically broad coverage of the world's air travel hotspots: Aeromexico, Air France, Delta Airlines and Korean Air.
GGT serum measurement provides a very sensitive indicator of the presence or absence of hepatobiliary disease. However the usefulness of measurement of serum GGT is limited by its lack of specificity. Drugs such as phenytoin and barbiturates may cause high GGT levels (2). The reported sensitivity of a raised GGT for detecting alcohol ingestion has ranged from 52% to 94% (3,4). The linked page GGT in hepatobiliary disease details hepatobiliary causes of a raised GGT. Reference: (1) Goldberg DM, Martin JV (1975).
1. Stress and decreased blood glucose levels increase the release of Growth Hormone Releasing Hormone (GHRH) and decrease the release of Growth Hormone Inhibiting Hormone (GHIH) 2. GHRH and GHIH travel through the hypothalamohypophyseal portal system to the anterior pituitary 3.