RT Journal Article
SR Electronic
T1 N. HOWARD MUMMERY
JF British Journal of Industrial Medicine
JO Br J Ind Med
FD BMJ Publishing Group Ltd
SP 259
OP 259
DO 10.1136/oem.4.4.259
VO 4
IS 4
A1 D.S.
YR 1947
UL http://oem.bmj.com/content/4/4/259.abstract
AB