2009 California State Science Fair Participants
Stephen K. Lam


Stephen
Project S2408
Stephen K. Lam, Grade 11 portrait
Effect of Toothpaste-derived Fluoridation on Sea Urchin Fertilization and Development
Advisor: Dr. Jay Vavra
School: High Tech High, San Diego, San Diego County
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California State Science Fair / 2009 / Portraits / CalifSF@usc.edu