Some useful links for rebreather divers:

Accident Investigation Guidelines (RESA)

Assessment of manual operations and emergency procedures for closed circuit rebreathers (HSE)

Descriptive Epidemiology of 153 Diving Injuries With Rebreathers Among French Military Divers From 1979 to 2009

Diver Medical Screening System

Guidance on Rescue of an Unresponsive Diver

Immersion Pulmonary Edema – DAN

Rebreather Forum 3.0 Proceedings

Rebreather Forum 4.0 Proceedings

Rescue of Submerged, Convulsing Diver