Affiliation: | 1. Department of Cytogenetics Drs. J. J. Sullivan, N. J. Nicolaides, and Partrers 133 Leichhardt Street Brisbane 4000 Australia;2. Department of Haematology Drs. J. J. Sullivan, N. J. Nicolaides, and Partrers 133 Leichhardt Street Brisbane 4000 Australia |