moreover , disappearance of acoustic shadow ( as ) was considered to be due to absorption or removal of the gases , which were the air in the ptc needle injected into the liver and the evaporated oxygen from denatured oxyhemoglobin ( hbo2 ) , and the denatured red blood cells after improvement of blood flow at the surrounding area of the injection site .
C0030069
oxyhemoglobin
C0014792
red blood cells