RT Journal Article SR Electronic T1 Passive smoking and children's health JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 113 OP 114 DO 10.7861/clinmedicine.10-2-113 VO 10 IS 2 A1 Linda Cuthbertson A1 John Britton YR 2010 UL http://www.rcpjournals.org/content/10/2/113.abstract