"Henk Tennekes monitored pivotal long-term studies with an investigational new drug on behalf of our company and mastered unexpected findings with great diligence." Cathaline den Besten, Ph.D, R.T. Principal Scientist, non-clinical R&D Solvay Pharmaceuticals | The authors would like to thank Henk Tennekes for his help in the preparation of the manuscript. Gamer, A.O., Leibold, E., van Ravenzwaay, B. (2006). The in vitro absorption of microfine zinc oxide and titanium dioxide through porcine skin. Toxicol In Vitro 20:301-7. |