1. Effect of film irregularities on sunscreen efficacy;O'Neill;J Pharm Sci,1984
2. Efficiency of a continuous height distribution model of sunscreen film geometry to predict a realistic sun protection factor;Ferrero;J Cosmet Sci,2003
3. Broad-spectrum physical sunscreens: titanium dioxide and zinc oxide;Anderson,1997
4. Sunscreen, suntan and anti-sunburn products;Wilkinson,1982
5. Effect of daily versus intermittent sunscreen application on solar simulated UV radiation-induced skin response in humans;Phillips;J Am Acad Dermatol,2000