1. Auerbach PS: Wilderness Medicine, 3rd ed. Mosby, St. Louis, 1995, pp 1176–1208
2. Bennett PB, Elliott DH: The Physiology and Medicine of Diving, 3rd ed. Baillire-Tindall, London, 1982
3. Bove AA, Davis JC: Diving Medicine, 3rd ed. WB Saunders, Philadelphia, 1997
4. Edmonds C, Lowry C, Pennefather J: Diving and Subaquatic Medicine, 3rd ed. Diving Medical Centre, Mosman, Australia, 1992