Divers Alert Network: 24-hour emergency hotline, 919 - 684 - 9111 Duke Dive Medicine: Physician-to-physician consultation, 919 - 684 - 8111 Undersea and Hyperbaric Medical Society: Scientific and medical information pertaining to undersea and hyperbaric medicine through its bimonthly, peer-reviewed journal, Undersea and Hyperbaric Medicine, and other resources U S.Navy Diving Manual: Detailed reference guide published by the US Navy detailing diver training and diving operations