Clinical chemistry the denser blood cells and platelets to the bottom of the centrifuge tube, leaving the liquid serum fraction resting above the packed cells. This initial step before analysis has recently been included in instruments that operate on the "integrated system" principle. Plasma is in essence the same as serum, but is obtained by centrifuging the blood "without" clotting. Plasma is obtained by centrifugation "before" clotting occurs. The type of test required dictates what type of sample is used. A large medical laboratory will accept samples for up to about 700 different kinds of tests. Even the largest of laboratories rarely
Blood, Sweat and Stanley Poole Blood, Sweat and Stanley Poole Blood, Sweat and Stanley Poole is a 1961 play by William Goldman and James Goldman. Both Goldman brothers had served in the army and the play is about a supply sergeant at an army post in the south. William Goldman later recalled "we had both been in the army at the same time and it seemed like a decent enough idea and magically we got it on." William and James Goldman had been permitted to serve together in the army in 1955. They were stationed with the 101th Airborne division. The Goldman brothers had received