RT Journal Article SR Electronic T1 Epidemiology of Clinical Allergy JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 783 OP 784 DO 10.1136/oem.52.11.783-a VO 52 IS 11 A1 Nabil Jarad YR 1995 UL http://oem.bmj.com/content/52/11/783.2.abstract AB