【简答题】Charles R. Drew was a medical student at Columbia University in New York. Before he graduated, he wrote an article __41___ blood bank, that is, the storing of blood. Up till then, a lot of people had ...
【简答题】Charles R. Drew was a medical student at Columbia University in New York. Before he graduated, he wrote an article __36___ blood bank, that is, the storing of blood. Up till then, a lot of people had ...