1. Research and Development Branch, Blood Transfusion Division, U. S. Army Medical Research Laboratory, Fort Knox, Ky. 40121
2. Research and Development Branch, Blood Transfusion Division, U. S. Army Medical Research Laboratory
3. U. S. Army Medical Research Laboratory
4. Blood Transfusion Division, U. S. Army Medical Research Laboratory
5. Blood Transfusion, U. S. Army Medical Research Laboratory