RT Journal Article
SR Electronic
T1 Encyclopaedia of Occupational Health and Safety
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 315
OP 316
DO 10.1136/jech.37.4.315
VO 37
IS 4
YR 1983
UL http://jech.bmj.com/content/37/4/315.abstract
AB