RT Journal Article SR Electronic T1 Comparative Biology of the Normal Lung (treatise on pulmonary toxicology, volume 1) JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 783 OP 783 DO 10.1136/oem.52.11.783 VO 52 IS 11 A1 R L Maynard YR 1995 UL http://oem.bmj.com/content/52/11/783.1.abstract AB