http://swissbaync5d7ykaz7dh7v4qjrb4gmen5aj3bogxrcgbb43ij34bjuyd.onion/pdf/Books/Survival/Medicine/sectionr.htm
This information is useful to
track the rate of deaths and non-fatal accidents, to analyze their causes, and to show
ways in which diving can be made safer. 5) ALERT DIVER. Dan publishes Alert Diver , a bi-monthly magazine mailed at no
extra charge to all DAN members. Non-technical and oriented to the recreational diver, Alert
Diver contains articles relating to dive safety, health and medicine, plus information
on DAN membership...