References
- De Lee , J. B. Principles and practice of obstetrics , Philadelphia : Saunders .
- Bramwell , J. M. 1956 . Hypnotism, its history, practice, theory , New York : Julian Press . (Re-issue of 1903 ed.)
- Newbold , G. 1956 . Handbook of medical hypnosis , London : Bailliere, Tindall, and Cox .
- McClure , C. M. 1959 . Cardiac arrest through volition . Calif. Med. , 90 : 439