PT  - JOURNAL ARTICLE
AU  - Ross MacKenzie
AU  - Becky Freeman
TI  - Second-hand smoke in cars: How did the “23 times more toxic” myth turn into fact?
AID  - 10.1503/cmaj.090993
DP  - 2010 May 18
TA  - Canadian Medical Association Journal
PG  - 796--799
VI  - 182
IP  - 8
4099  - http://www.cmaj.ca/content/182/8/796.short
4100  - http://www.cmaj.ca/content/182/8/796.full
SO  - CMAJ2010 May 18; 182