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“Sunscreen” Wikipedia.org maintained by the Wikimedia Foundation, Inc. 9 Apr. 2008
http://en.wikipedia.org/wiki/Sunscreen
“What is the History of Sunscreen?” wiseGeek maintained by the Conjecture Corporation. 9 Apr. 2008
http://www.wisegeek.com/what-is-the-history-of-sunscreen.htm
“A brief history of sunscreen…” Himaya.com powered by Himaya Sports Sun Protection. 9 Apr. 2008
http://himaya.com/faq/sunscreen_history.html
“Greek Olympics” Crystalinks.com powered by Crystalinks.19 Apr. 2008
http://www.crystalinks.com/greekolympics.html
“Christopher Columbus” Kidport.com powered by Kidport. 19 Apr. 2008
http://www.kidport.com/RefLib/UsaHistory/Columbus/Columbus.htm
“Charles Darwin” Ucar.edu maintained by University Corporation for Atmospheric Research. 19 Apr. 2008
http://www.windows.ucar.edu/cgi-bin/tour_def/people/enlightenment/darwin.html
“2006: PIZ BUIN celebrated its 60
th
anniversary-a success story” PIZ BUIN.com powered by PIZ BUIN corporation. 19 Apr. 2008
http://www.pizbuin.com/bran_story.jsp
“Sunscreen Ingredients: Finding Protection for UVA, UVB, and Visible Light” Awardspace.com maintained by the Support Group for Sun Sensitive People. 19 Apr. 2008
http://sun1.awardspace.com/Sunscreens/sunscreen_ingredients.htm
“Sun Protection Factor” Coolibar.com powered by Coolibar. 24 Apr. 2008
http://www.coolibar.com/spf-ratings.html
“Current UV Index Forecast” Weather.com maintained by National Oceanic and Atmospheric Administration’s National Weather Service. 24 Apr. 2008
http://www.weather.gov/view/national.php?prodtype=ultraviolet
“Vitamin D” Healthlink.edu maintained by the Medical College of Wisconsin. 23 Apr. 2008
http://healthlink.mcw.edu/article/982088787.html
“Oakland Increase of rickets in young tracked in Bay Area Vitamin D via sun or fortified formula is called essential” sfgate.com maintained by San Francisco Chronicle. 23 Apr. 2008
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2006/08/28/BAGS7KQHBF1.DTL&hw=stanford&sn=003&sc=354
“Vitamin D” Wikipedia.org maintained by the Wikipedia Foundation, Inc. 23 Apr 2008
http://en.wikipedia.org/wiki/Vitamin_D#cite_note-FactD-0#cite_note-FactD-0
“Understanding Vitamin D Cholecalciferol” Vitamindcouncil.org maintained by Vitamin D Council. 23 Apr. 2008
http://www.vitamindcouncil.org/
“Sun Protective Clothing: Get in on the Trend” skincancer.org maintained by Skin Cancer Foundation. 23 Apr. 2008
http://www.skincancer.org/prevention/dress.php
“2.6 Skin” Google.com powered by Oulu University Library. 23 Apr. 2008
http://www.google.com/imgres?imgurl=http://herkules.oulu.fi/isbn9514266463/html/graphic66.png&imgrefurl=http://herkules.oulu.fi/isbn9514266463/html/x563.html&h=73&w=142&sz=252&tbnid=ETX2m1B5XdwJ:&tbnh=73&tbnw=142&prev=/images%3Fq%3Dlayers%2Bof%2Bthe%2Bepidermis%2Bpictures&sa=X&oi=image_result&resnum=1&ct=image&cd=1
“Out In the Sun? The Big Difference Between Sunscreen and Sunblock” EasyArticles.com maintained by EasyArticles. 23 Apr. 2008
http://www.easyarticles.com/article-36413.htm
Sunblock vs. Sunscreen” suncarepro.com maintained by Sun Care. 23 Apr. 2008
http://www.suncarepro.com/sunblock_sunscreen.htm
“What is the Difference Between Sunscreen and Sunblock?” About.com powered by The New York Times Company. 23 Apr. 2008
http://beauty.about.com/od/summertanning/f/sunscreenblocks.htm
“Melanoma” cancer.gov maintained by the National Cancer Institute. 24 Apr. 2008
http://www.cancer.gov/cancertopics/types/melanoma
“Skin Cancer” Wikipedia.org maintained by the Wikipedia Foundation, Inc. 24 Apr. 2008
http://en.wikipedia.org/wiki/Skin_cancer
“Add an ‘E’ to the alphabet for identifying melanoma” medicalnewstoday.com powered by MediLexicon International Ltd. 24 Apr. 2008
http://www.medicalnewstoday.com/articles/17478.php
Sunscreen Chemistry
Sunscreen verses Sunblock
Vitamin D Synthesis
Discovery of Sunscreen
Active Ingredients
Skin Cancer
Portirat of the Sun
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