1. Long-arm deletion of 19/20 chromosomes;Ahmed, M.;(Letter.) Lancet,1972
2. The 24 fluorescence patterns of the human metaphase chromosomes-distinguishing characters and variability;Caspersson, T.; Lomakka, G.; Zech, L.;Hereditas, Genetiskt Arkiv,1971
3. Partial deletion of a group-F (19-20) chromosome in a physically handicapped psychiatric male patient;Genest, P.; Bouchard, M.; Poty, J.;journal of Medical Genetics,1971
4. Actions of Chemicals on Dividing Cells;Kihlman, B.A.,1966