PT - JOURNAL ARTICLE ED - , TI - Sunscreen SPFs: clear as daylight? AID - 10.1136/dtb.2011.02.0033 DP - 2011 Jun 01 TA - Drug and Therapeutics Bulletin PG - 61--61 VI - 49 IP - 6 4099 - http://dtb.bmj.com/content/49/6/61.short 4100 - http://dtb.bmj.com/content/49/6/61.full SO - Drug Ther Bull2011 Jun 01; 49