AU - Dempsey DA, Meyers MJ, Oh SS, et al TI - DEtermination of tobacco smoke exposure by plasma cotinine levels in infants and children attending urban public hospital clinics PT - JOUR DP - 2012 TA - Archives of Pediatrics & Adolescent Medicine pages = {851-856}, VI - 166 IP - 9 AID - 10.1001/archpediatrics.2012.170 [doi] 4100 - http://dx.doi.org/10.1001/archpediatrics.2012.170 SO - Archives of Pediatrics & Adolescent Medicine September 1, 2012 166(9):851