(from the article `Calvin, Melvin`) ...material. This was her first chemical laboratory experience but not her last by any means.` Together they helped to determine the structure of one ... Found on http://www.britannica.com/eb/a-z/e/22
A lipoprotein fraction of red blood cells that contains the Rh and A and B factors. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973