RT Journal Article
SR Electronic
T1 ANSWERS
JF Occupational and Environmental Medicine
JO Occup Environ Med
FD BMJ Publishing Group Ltd
SP 560
OP 560
DO 10.1136/oem.2008.044974a
VO 66
IS 8
YR 2009
UL http://oem.bmj.com/content/66/8/560.abstract
AB