1. An unusually long human Y chromosome;Bender;Lancet,1961
2. Heritable variation in the length of the Y chromosome;Bishop;Ibid,1962
3. A probable XXYY sex determining mechanism in a mentally defective male with Klinefelter's syndrome;Carr;Canad. med. Ass. J,1961
4. A simple technique for concentrating granulocytes for the determination of chromatin sex;Chapelle;Scand. J. clin. Lab. Invest,1961
5. Cytogenetical and clinical observations in female gonadal dysgenesis;Chapelle;Acta endocr., (Copenhagen) Suppl,1962