Aviation. Air Traffic Control . Control, Air Traffic . Traffic Control, Air . Parachuting . Design, development, manufacture, and operation of heavier-than-air AIRCRAFT. . 0.81
Cellulose. Alphacel . Avicel . Heweten . Polyanhydroglucuronic Acid . Rayophane . Sulfite Cellulose . alpha-Cellulose . Acid, Polyanhydroglucuronic . alpha Cellulose . A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations. . 0.60
Collagen. Avicon . Avitene . Collagen Felt . Collagen Fleece . Collagenfleece . Collastat . Dermodress . Microfibril Collagen Hemostat . Pangen . Zyderm . alpha-Collagen . Collagen Hemostat, Microfibril . alpha Collagen . A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH). . 0.59
Influenza in Birds. Avian Influenzas . Flu, Avian . Influenza in Bird . Influenzas, Avian . Plague, Fowl . Avian Flu . Avian Influenza . Influenza, Avian . Fowl Plague . Bird Flu . Fowl Pest . Infection of domestic and wild fowl and other BIRDS with INFLUENZA A VIRUS. Avian influenza usually does not sicken birds, but can be highly pathogenic and fatal in domestic POULTRY. . 0.59