RT Journal Article
SR Electronic
T1 Abstracts
JF British Journal of Industrial Medicine
JO Br J Ind Med
FD BMJ Publishing Group Ltd
SP 65
OP 68
DO 10.1136/oem.10.1.65
VO 10
IS 1
YR 1953
UL http://oem.bmj.com/content/10/1/65.abstract
AB