References
- Ellis H. Studies in the psychology of Sex. London 1948; Vol. 2
- Gluckman L. K. Urinalysis—A psychiatric approach. N.Z. Med. J. 1963; 62: 137
- Hirschfeld M. Sexual Anomalies and Perversions. London 1952
- Krafft-Ebing R. V. loc cit 1948, Quoted in Ellis, H.