RT Journal Article SR Electronic T1 Traumatic Stress in Critical Occupations, Recognition, Consequences, and Treatment JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 144 OP 144 DO 10.1136/oem.54.2.144-a VO 54 IS 2 A1 Cary L Cooper YR 1997 UL http://oem.bmj.com/content/54/2/144.2.abstract AB