1. Advanced Oxidation Kinetics and Mechanism of Preservative Propylparaben Degradation in Aqueous Suspension of TiO2 and Risk Assessment of Its Degradation Products
   Hansun Fang et al, 2013, Environmental Science & Technology CrossRef
2. Testing the low dose mixtures hypothesis from the Halifax project
   William H. Goodson et al, 2020, Reviews on Environmental Health CrossRef