RT Journal Article
SR Electronic
T1 Correspondence
JF British Journal of Industrial Medicine
JO Br J Ind Med
FD BMJ Publishing Group Ltd
SP 453
OP 453
DO 10.1136/oem.49.6.453
VO 49
IS 6
A1 G Franco
A1 A Massola
YR 1992
UL http://oem.bmj.com/content/49/6/453.1.abstract
AB