References
- Blackwell R. G. National Cancer Institute, Bethesda, MD, Building 31, Room 3A10
- Bunn H. F. Hematology Division, Peter Bent Brigham Hospital. Huntington Avenue, Boston, MA, 721
- Heller P. V. A. West Side Hospital. Damen Avenue, Chicago, IL, 820
- Huisman T. H. J. Medical College of Georgia, Augusta, GA
- Jones R. T. University of Oregon Health Sciences Center, Portland, OR, 3181 S. W. Sam Jackson Park Road
- Kleihauer E. F. Universitats-Kinderklinik, West Germany, 79 Ulm/Donau Prittwitzstrasse 43
- Koler R. D. Division of Human Genetics. University of Oregon Health Sciences Center, Portland, OR, 3181 S. W. Sam Jackson Park Road
- McCurdy P. R. Georgetown University, D. C. General Hospital, S E Washington, DC, 19th Street and Massachusetts Avenue
- Schroeder W. A. Church Laboratory 164–30. California Institute of Technology, Pasadena, CA
- Winter W. P. Center for Sickle Cell Disease, Howard University, Washington, D. C., 2121 Georgia Avenue