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