RT Journal Article SR Electronic T1 William Harvey and air pollution JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 147 OP 147 DO 10.1136/oem.60.2.147 VO 60 IS 2 A1 R L Maynard YR 2003 UL http://oem.bmj.com/content/60/2/147.1.abstract AB