RT Journal Article
SR Electronic
T1 Proceedings of the Association of Industrial Medical Officers
JF British Journal of Industrial Medicine
JO Br J Ind Med
FD BMJ Publishing Group Ltd
SP 208
OP 212
DO 10.1136/oem.6.3.208
VO 6
IS 3
YR 1949
UL http://oem.bmj.com/content/6/3/208.abstract
AB