title: Understanding blood and hemoglobin: an example of international relations in science.
mesh_terms: D001769:Blood; D003718:Denmark; D005858:Germany; D006454:Hemoglobins / Q000266:history* / Q000378:metabolism; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007391:International Cooperation; D007558:Italy; D010100:Oxygen / Q000097:blood; D012106:Research / Q000266:history*; D014481:United States
chemical_list: D006454:Hemoglobins; D010100:Oxygen