Divers Alert Network
   A non-profit international organization, with its emergency hotline, provides dive safety and medical information, medical research programs, first aid training programs, emergency oxygen equipment, and affordable accident insurance.
   http://www.diversalertnetwork.org/

Diving Medicine Online
   Comprehensive information about diving and undersea medicine for the non-medical diver, the non-diving physician and the specialist. Online physicians and consultants answer questions about diving medical problems.
   http://scuba-doc.com/

Doc's Diving Medicine
   Original articles, ongoing research and useful links related to diving and undersea medicine from the University of Washington and Dr Edmond Kay.
   http://faculty.washington.edu/ekay/

European Underwater and Baromedical Society
   Dedicated to the study and promotion of diving and hyperbaric medicine.
   http://www.eubs.org/

Health Link MCW
   A question and answer format about scuba diving after a blood clot.
   http://healthlink.mcw.edu/article/989700208.html

Hyperbaric Medicine Unit , Grampian University Hospital
   Information for SCUBA divers by the Grampian University Hospitals NHS Trust Hyperbaric Medicine Unit about their services as well as treatment of the bends and CO poisoning.
   http://www.hyperchamber.com/

NAUI Online - Safety and Diving Medicine
   Devoted to propagating safe diving practices and dealing with medical topics related to diving.
   http://www.naui.org/DAN/safety.htm

Undersea and Hyperbaric Medicine Society
   A professional organization representing physicians, nurses and technicians in the field of hyperbaric medicine.
   http://www.uhms.org/

Underwater Medicine Associates
   An educational organization devoted to diving medicine with information diving medicine, links, diving medicine textbooks and underwater photo gallery.
   http://www.scubamed.com/index.html

Virtual Naval Hospital
   U.S. Navy Diving Manual is available online in Adobe Acrobat format.
   http://www.vnh.org/DivingManual/DMTOC.html