RT Journal Article SR Electronic T1 The Physiology and Medicine of Diving, 4th edition JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 844 OP 844 DO 10.1136/oem.51.12.844 VO 51 IS 12 A1 Denison, David YR 1994 UL http://oem.bmj.com/content/51/12/844.1.abstract AB