RT Journal Article SR Electronic T1 Secondhand Smoke Exposure and Risk of Atrial Fibrillation JF AAP Grand Rounds JO AAP Grand Rounds FD American Academy of Pediatrics SP 70 OP 70 DO 10.1542/gr.34-6-70 VO 34 IS 6 YR 2015 UL http://aapgrandrounds.aappublications.org/content/34/6/70.abstract AB