1. Daughton CG, Ternes TA. Pharmaceuticals and personal care products in the environment: agents of subtle change? Environ Health Perspect. 1999;107(6):907–38.
2. Alder AW, Kimmel TA, Sussman RG. Applying health-based risk assessments to worker and product safety for potent pharmaceuticals in contract manufacturing operations. Pharm Outsourcing. 2009;10:49–53.
3. Barnes KK, Kolpin DW, Meyer MT, Thurman EM, Furlong ET, Zaugg SD, et al. Water-quality data for pharmaceuticals, hormones, and other organic wastewater contaminants in U.S. streams, 1999–2000. Iowa City: U.S. Geological Survey (USGS); 2002. Open-File Report 02–94.
4. Barnes KK, Kolpin DW, Furlong ET, Zaugg SD, Meyer MT, Barber LB. A national reconnaissance of pharmaceuticals and other organic wastewater contaminants in the United States—I) groundwater. Sci Total Environ. 2008;402:192–200. doi: 10.1016/j.scitotenv.2008.04.028 .
5. 2010 Occurrence of pharmaceutical and personal care products (PPCPs) in source water of the New York City water supply, pp. 24. New York (NY): New York City Department of Environmental Protection: 2011.