1. Sunscreen application by photosensitive patients is inadequate for protection;Azurdia;Br J Dermatol,1999
2. Sunbathers' application of sunscreen is probably inadequate to obtain the Sun Protection Factor assigned to the preparation;Bech-Thomsen;Photodermatol Photoimmunol Photomed,1993
3. The influence of sunscreen type on photoprotection;Diffey;Br J Dermatol,1997
4. Sunscreens: effects of amounts of application of Sun Protection Factors;Gottlieb,1997
5. Sunscreen application and its importance for the Sun Protection Factor;Stenberg;Arch Dermatol,1985