1. Endothelial function is a measure of the activity of endothelial cells that line the inside of the blood vessels.
2. danci.911cha.com
2. The Norwegian crossed the line and immediately lay down with blood pouring from a gash to his right elbow.
3. He crossed the line and immediately lay down with blood pouring from a gash to his right elbow.
4. " The bottom line is that all urgent operations will take priority in receiving blood, " he said.