RT Journal Article SR Electronic T1 Respiratory disease in foundrymen. JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 341 OP 343 DO 10.1136/oem.29.3.341 VO 29 IS 3 A1 R I McCallum YR 1972 UL http://oem.bmj.com/content/29/3/341.abstract AB