RT Journal Article
SR Electronic
T1 The Authors' reply
JF British Journal of Industrial Medicine
JO Br J Ind Med
FD BMJ Publishing Group Ltd
SP 383
OP 384
DO 10.1136/oem.50.4.383
VO 50
IS 4
YR 1993
UL http://oem.bmj.com/content/50/4/383.abstract
AB