RT Journal Article
SR Electronic
T1 Chest Diseases
JF British Journal of Industrial Medicine
JO Br J Ind Med
FD BMJ Publishing Group Ltd
SP 162
OP 162
DO 10.1136/oem.22.2.162
VO 22
IS 2
A1 J. B. L. Howell
YR 1965
UL http://oem.bmj.com/content/22/2/162.1.abstract
AB