1. Medicine Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md. present address, University of Texas M. D. Anderson Hospital and Tumor Institute, Houstm, Texas.
2. Medicine Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md.
3. Deceased.
4. Department of Pediatrics and Medicine A, Roswell Park Memorial Institute, New York State Department of Health, Buffalo, N. Y. (CA-02599).
5. Mount Sinai Hospital, New York, N. Y. (CA-04457).
6. Children’s Hospital of Philadelphia, Philadelphia, Pa. (CA-4737).
7. Department of Medicine, Maimonides Hospital of Brooklyn, Brooklyn, New York (CA-05588).
8. Mayo Clinic, Rochester, Minnesota (CA-4646).
9. Bowman Gray School of Medicine, Winston-Salem, North Carolina (CA-03.927).
10. Hitchcock Hospital, Dartmouth Medical School, Hanover, New Hampshire (CA-04326).
11. Medical College of Virginia, Richmond, Virginia (CA-3735).