1. Chatterjea, J. B., in Abnormal Hæmoglobins (C.I.O.M.S. Symp., Istanbul), 322 (Blackwell Scientific Pub., Oxford, 1959). Lie-Injo Luan Eng, ibid., 368. Na-Nakorn, S., ibid., 357. de Silva, C. C., Jonxis, J. H. P., and Wikremasinghe, R. L., ibid., 340.
2. Colbourne, M. J., Ekin, E. W., Mourant, A. E., Lehmann, H., and Thein, H., Nature, 181, 169 (1958).
3. Polunin, I., and Saunders, M., Lancet, ii, 1005 (1958).
4. Aksoy, M., Lehmann, H., and Lie-Injo Luan Eng, Lancet, ii, 792 (1957).
5. Veiia, F., and Field, T. E., Med. J. Malaya, 13, 153 (1958). Vella, F., and Yeoh Oon Swee, Proc. Alumni Assoc. Malaya, 11, 159 (1958).