RT Journal Article SR Electronic T1 Silica and Collagen in the Lungs of Silicotic Rats Treated with Cortisone JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 192 OP 197 DO 10.1136/oem.11.3.192 VO 11 IS 3 A1 B. D. Stacy A1 E. J. King YR 1954 UL http://oem.bmj.com/content/11/3/192.abstract AB