1. Worries mount over potential link between artificial turf and cancer. http://www.huffingtonpost.com/entry/cancer-artificial-turf-crumb-rubber_us_570960a3e4b0142232493441. Accessed October 24, 2016.
2. Hepatitis C virus-associated B-cell non-Hodgkin's lymphomas: what do we know?;Vannata;Ther. Adv. Hematol.,2016
3. California Office of Environmental Health Hazard Assessment Fact Sheet: Environmental Health Study of Synthetic Turf. http://oehha.ca.gov/risk-assessment/fact-sheet-environmental-health-study-synthetic-turf. Accessed June 13, 2016.
4. National Toxicology Program (NTP) Synthetic Turf/Recycled Tire Crumb Rubber Research Program. https://ntp.niehs.nih.gov/results/areas/syntheticturf/research.html. Accessed August 4, 2016.
5. SB 47 Senate Bill – Bill Analysis – California. http://www.leginfo.ca.gov/pub/15-16/bill/sen/sb_0001-0050/sb_47_cfa_20150413_101423_sen_comm.html. Accessed June 13, 2016.