1. Aloysia, Sister Mary, Gelb A. G., Fudenberg H., Hamper J., Tippett P. & Race R. R.: The expected ?Bombay? groups 0hA 1 and 0hA 2.Transfusion 1, 212 (1961).
2. Bhatia H. M., Sanghvi L. D., Bhide Y. G. & Jhala H. I.: Anti-H in two siblings in an Indian family.J. Indian med. Ass. 25, 545 (1955).
3. Bhende Y. M., Deshpande C. K., Bathia H. M., Sanger R., Race R. R., Morgan W. T. J. & Watkins W. M.: A ?new? blood-group character related to the AB0 system.Lancet 1, 903 (1952).
4. Ceppelini R.: Physiological genetics of human blood group factors. In: Ciba Foundation Symposium ?Biochemistry of human genetics?, pp. 242?263 (Little, Brown, Co., Boston 1959).
5. Gandini E., Sacchi R., Reali G., Veratti M. A. & Menini C.: A case of Lewis negative ?Bombay? blood type.Vox. Sang. 15, 142 (1968).