Exposure of the U.S. Population to Bisphenol A and 4- tertiary -Octylphenol: 2003–2004 Calafat, Antonia M. ; Ye, Xiaoyun ; Wong, Lee-Yang ; Reidy, John A. ; Needham, Larry L. Abstract Publication: Environmental Health Perspectives Pub Date: January 2008 DOI: 10.1289/ehp.10753 Bibcode: 2008EnvHP.116...39C