RT Journal Article
SR Electronic
T1 Chronic Bronchitis in Newcastle-upon-Tyne
JF British Journal of Industrial Medicine
JO Br J Ind Med
FD BMJ Publishing Group Ltd
SP 136
OP 137
DO 10.1136/oem.15.2.136
VO 15
IS 2
A1 J. Pemberton
YR 1958
UL http://oem.bmj.com/content/15/2/136.abstract
AB