TY - GEN AU - Diffey,B TI - Sunscreen protection in the ultraviolet A region: how to measure effectiveness SN - 0905-4383 PY - 2001///1231 KW - Erythema KW - etiology KW - Humans KW - Radiation Injuries KW - prevention & control KW - Skin KW - drug effects KW - Sunscreening Agents KW - pharmacology KW - Ultraviolet Rays KW - adverse effects N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1034/j.1600-0781.2001.170411.x ER -